1212110111022 has 64 divisors (see below), whose sum is σ = 2676938471424. Its totient is φ = 364209131520.

The previous prime is 1212110110997. The next prime is 1212110111137. The reversal of 1212110111022 is 2201110112121.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1212110110992 and 1212110111010.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1669248 + ... + 2282675.

It is an arithmetic number, because the mean of its divisors is an integer number (41827163616).

Almost surely, 2^{1212110111022} is an apocalyptic number.

1212110111022 is an abundant number, since it is smaller than the sum of its proper divisors (1464828360402).

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

1212110111022 is a wasteful number, since it uses less digits than its factorization.

1212110111022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3952073.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 1212110111022 its reverse (2201110112121), we get a palindrome (3413220223143).

The spelling of 1212110111022 in words is "one trillion, two hundred twelve billion, one hundred ten million, one hundred eleven thousand, twenty-two".