121010112222 has 32 divisors (see below), whose sum is σ = 243977795712. Its totient is φ = 40011320544.

The previous prime is 121010112211. The next prime is 121010112229. The reversal of 121010112222 is 222211010121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121010112229) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 443533 + ... + 662375.

It is an arithmetic number, because the mean of its divisors is an integer number (7624306116).

Almost surely, 2^121010112222 is an apocalyptic number.

121010112222 is an abundant number, since it is smaller than the sum of its proper divisors (122967683490).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

121010112222 is a wasteful number, since it uses less digits than its factorization.

121010112222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 219592.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 121010112222 its reverse (222211010121), we get a palindrome (343221122343).

The spelling of 121010112222 in words is "one hundred twenty-one billion, ten million, one hundred twelve thousand, two hundred twenty-two".