2120021022102 has 16 divisors (see below), whose sum is σ = 4240231761072. Its totient is φ = 706642054560.

The previous prime is 2120021022089. The next prime is 2120021022211. The reversal of 2120021022102 is 2012201200212.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7759393 + ... + 8027964.

It is an arithmetic number, because the mean of its divisors is an integer number (265014485067).

Almost surely, 2^{2120021022102} is an apocalyptic number.

2120021022102 is an abundant number, since it is smaller than the sum of its proper divisors (2120210738970).

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

2120021022102 is a wasteful number, since it uses less digits than its factorization.

2120021022102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15809743.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 2120021022102 its reverse (2012201200212), we get a palindrome (4132222222314).

The spelling of 2120021022102 in words is "two trillion, one hundred twenty billion, twenty-one million, twenty-two thousand, one hundred two".