121100000212222 has 16 divisors (see below), whose sum is σ = 181678008575232. Its totient is φ = 60540664444120.

The previous prime is 121100000212211. The next prime is 121100000212277. The reversal of 121100000212222 is 222212000001121.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 121100000212196 and 121100000212205.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 788278197 + ... + 788431807.

It is an arithmetic number, because the mean of its divisors is an integer number (11354875535952).

Almost surely, 2^{121100000212222} is an apocalyptic number.

121100000212222 is a deficient number, since it is larger than the sum of its proper divisors (60578008363010).

121100000212222 is a wasteful number, since it uses less digits than its factorization.

121100000212222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211823.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 121100000212222 its reverse (222212000001121), we get a palindrome (343312000213343).

The spelling of 121100000212222 in words is "one hundred twenty-one trillion, one hundred billion, two hundred twelve thousand, two hundred twenty-two".