121112222123222 has 8 divisors (see below), whose sum is σ = 198183636201672. Its totient is φ = 55051010056000.

The previous prime is 121112222123183. The next prime is 121112222123227. The reversal of 121112222123222 is 222321222211121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×121112222123222² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 121112222123191 and 121112222123200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121112222123227) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2752550502779 + ... + 2752550502822.

It is an arithmetic number, because the mean of its divisors is an integer number (24772954525209).

Almost surely, 2^{121112222123222} is an apocalyptic number.

121112222123222 is a deficient number, since it is larger than the sum of its proper divisors (77071414078450).

121112222123222 is a wasteful number, since it uses less digits than its factorization.

121112222123222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5505101005614.

The product of its digits is 1536, while the sum is 26.

Adding to 121112222123222 its reverse (222321222211121), we get a palindrome (343433444334343).

The spelling of 121112222123222 in words is "one hundred twenty-one trillion, one hundred twelve billion, two hundred twenty-two million, one hundred twenty-three thousand, two hundred twenty-two".