1012222102222 has 4 divisors (see below), whose sum is σ = 1518333153336. Its totient is φ = 506111051110.

The previous prime is 1012222102207. The next prime is 1012222102223. The reversal of 1012222102222 is 2222012222101.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 1012222102222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1012222102223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 253055525554 + ... + 253055525557.

It is an arithmetic number, because the mean of its divisors is an integer number (379583288334).

Almost surely, 2^{1012222102222} is an apocalyptic number.

1012222102222 is a deficient number, since it is larger than the sum of its proper divisors (506111051114).

1012222102222 is an equidigital number, since it uses as much as digits as its factorization.

1012222102222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 506111051113.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 1012222102222 its reverse (2222012222101), we get a palindrome (3234234324323).

The spelling of 1012222102222 in words is "one trillion, twelve billion, two hundred twenty-two million, one hundred two thousand, two hundred twenty-two".