1022011100112 has 80 divisors (see below), whose sum is σ = 2699938407168. Its totient is φ = 333009031680.

The previous prime is 1022011100107. The next prime is 1022011100141. The reversal of 1022011100112 is 2110011102201.

It is a Harshad number since it is a multiple of its sum of digits (12).

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, 51783 + ... + 1430630.

Almost surely, 2^{1022011100112} is an apocalyptic number.

1022011100112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1022011100112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1349969203584).

1022011100112 is an abundant number, since it is smaller than the sum of its proper divisors (1677927307056).

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

1022011100112 is a wasteful number, since it uses less digits than its factorization.

1022011100112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1482748 (or 1482742 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 1022011100112 its reverse (2110011102201), we get a palindrome (3132022202313).

The spelling of 1022011100112 in words is "one trillion, twenty-two billion, eleven million, one hundred thousand, one hundred twelve".