1022021112102 has 32 divisors (see below), whose sum is σ = 2067559438560. Its totient is φ = 336768606720.

The previous prime is 1022021112097. The next prime is 1022021112109. The reversal of 1022021112102 is 2012111202201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1022021112109) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1521349 + ... + 2087712.

It is an arithmetic number, because the mean of its divisors is an integer number (64611232455).

Almost surely, 2^{1022021112102} is an apocalyptic number.

1022021112102 is an abundant number, since it is smaller than the sum of its proper divisors (1045538326458).

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

1022021112102 is a wasteful number, since it uses less digits than its factorization.

1022021112102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3609608.

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

Adding to 1022021112102 its reverse (2012111202201), we get a palindrome (3034132314303).

Subtracting 1022021112102 from its reverse (2012111202201), we obtain a palindrome (990090090099).

The spelling of 1022021112102 in words is "one trillion, twenty-two billion, twenty-one million, one hundred twelve thousand, one hundred two".