1021022011122 has 16 divisors (see below), whose sum is σ = 2042707275840. Its totient is φ = 340230128112.

The previous prime is 1021022011109. The next prime is 1021022011127. The reversal of 1021022011122 is 2211102201201.

It is a super-2 number, since 2×1021022011122² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1021022011127) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27615553 + ... + 27652500.

It is an arithmetic number, because the mean of its divisors is an integer number (127669204740).

Almost surely, 2^{1021022011122} is an apocalyptic number.

1021022011122 is an abundant number, since it is smaller than the sum of its proper divisors (1021685264718).

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

1021022011122 is a wasteful number, since it uses less digits than its factorization.

1021022011122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55271137.

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

Adding to 1021022011122 its reverse (2211102201201), we get a palindrome (3232124212323).

The spelling of 1021022011122 in words is "one trillion, twenty-one billion, twenty-two million, eleven thousand, one hundred twenty-two".