1012110221122 has 48 divisors (see below), whose sum is σ = 2053818115776. Its totient is φ = 363995676000.

The previous prime is 1012110221113. The next prime is 1012110221123. The reversal of 1012110221122 is 2211220112101.

It is a junction number, because it is equal to n+sod(n) for n = 1012110221096 and 1012110221105.

It is not an unprimeable number, because it can be changed into a prime (1012110221123) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 22957504 + ... + 23001547.

It is an arithmetic number, because the mean of its divisors is an integer number (42787877412).

Almost surely, 2^{1012110221122} is an apocalyptic number.

1012110221122 is an abundant number, since it is smaller than the sum of its proper divisors (1041707894654).

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

1012110221122 is a wasteful number, since it uses less digits than its factorization.

1012110221122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45959095 (or 45959084 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 1012110221122 its reverse (2211220112101), we get a palindrome (3223330333223).

The spelling of 1012110221122 in words is "one trillion, twelve billion, one hundred ten million, two hundred twenty-one thousand, one hundred twenty-two".