1021120022102 has 16 divisors (see below), whose sum is σ = 1620479021040. Its totient is φ = 481233156768.

The previous prime is 1021120022053. The next prime is 1021120022183. The reversal of 1021120022102 is 2012200211201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68194493 + ... + 68209464.

It is an arithmetic number, because the mean of its divisors is an integer number (101279938815).

Almost surely, 2^{1021120022102} is an apocalyptic number.

1021120022102 is a deficient number, since it is larger than the sum of its proper divisors (599358998938).

1021120022102 is a wasteful number, since it uses less digits than its factorization.

1021120022102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136404175.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 1021120022102 its reverse (2012200211201), we get a palindrome (3033320233303).

The spelling of 1021120022102 in words is "one trillion, twenty-one billion, one hundred twenty million, twenty-two thousand, one hundred two".