121111111012022 has 32 divisors (see below), whose sum is σ = 182942444505600. Its totient is φ = 60130969148448.

The previous prime is 121111111011991. The next prime is 121111111012037. The reversal of 121111111012022 is 220210111111121.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2573577929 + ... + 2573624987.

It is an arithmetic number, because the mean of its divisors is an integer number (5716951390800).

Almost surely, 2^{121111111012022} is an apocalyptic number.

121111111012022 is a deficient number, since it is larger than the sum of its proper divisors (61831333493578).

121111111012022 is a wasteful number, since it uses less digits than its factorization.

121111111012022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54020.

The product of its (nonzero) digits is 16, while the sum is 17.

Adding to 121111111012022 its reverse (220210111111121), we get a palindrome (341321222123143).

Subtracting 121111111012022 from its reverse (220210111111121), we obtain a palindrome (99099000099099).

The spelling of 121111111012022 in words is "one hundred twenty-one trillion, one hundred eleven billion, one hundred eleven million, twelve thousand, twenty-two".