1020112121022 has 128 divisors (see below), whose sum is σ = 2166210708480. Its totient is φ = 319620618240.

The previous prime is 1020112120949. The next prime is 1020112121029. The reversal of 1020112121022 is 2201212110201.

It is a junction number, because it is equal to n+sod(n) for n = 1020112120992 and 1020112121010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1020112121029) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1279939528 + ... + 1279940324.

It is an arithmetic number, because the mean of its divisors is an integer number (16923521160).

Almost surely, 2^{1020112121022} is an apocalyptic number.

1020112121022 is an abundant number, since it is smaller than the sum of its proper divisors (1146098587458).

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

1020112121022 is a wasteful number, since it uses less digits than its factorization.

1020112121022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1538.

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

Adding to 1020112121022 its reverse (2201212110201), we get a palindrome (3221324231223).

The spelling of 1020112121022 in words is "one trillion, twenty billion, one hundred twelve million, one hundred twenty-one thousand, twenty-two".