1031111020022 has 32 divisors (see below), whose sum is σ = 1660597481664. Its totient is φ = 478924617600.

The previous prime is 1031111020013. The next prime is 1031111020081. The reversal of 1031111020022 is 2200201111301.

It is a super-2 number, since 2×1031111020022² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1031111019979 and 1031111020006.

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, 360872 + ... + 1480692.

It is an arithmetic number, because the mean of its divisors is an integer number (51893671302).

Almost surely, 2^{1031111020022} is an apocalyptic number.

1031111020022 is a deficient number, since it is larger than the sum of its proper divisors (629486461642).

1031111020022 is a wasteful number, since it uses less digits than its factorization.

1031111020022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1120424.

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 1031111020022 its reverse (2200201111301), we get a palindrome (3231312131323).

The spelling of 1031111020022 in words is "one trillion, thirty-one billion, one hundred eleven million, twenty thousand, twenty-two".