2021212022102 has 64 divisors (see below), whose sum is σ = 3774761754624. Its totient is φ = 790361832960.

The previous prime is 2021212022083. The next prime is 2021212022111. The reversal of 2021212022102 is 2012202121202.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7413827 + ... + 7681617.

It is an arithmetic number, because the mean of its divisors is an integer number (58980652416).

Almost surely, 2^{2021212022102} is an apocalyptic number.

2021212022102 is a deficient number, since it is larger than the sum of its proper divisors (1753549732522).

2021212022102 is a wasteful number, since it uses less digits than its factorization.

2021212022102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 268293.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 2021212022102 its reverse (2012202121202), we get a palindrome (4033414143304).

The spelling of 2021212022102 in words is "two trillion, twenty-one billion, two hundred twelve million, twenty-two thousand, one hundred two".