2121012022102 has 32 divisors (see below), whose sum is σ = 3313868371200. Its totient is φ = 1017205630560.

The previous prime is 2121012022067. The next prime is 2121012022159. The reversal of 2121012022102 is 2012202101212.

It is a happy number.

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 15 ways as a sum of consecutive naturals, for example, 80367753 + ... + 80394139.

It is an arithmetic number, because the mean of its divisors is an integer number (103558386600).

Almost surely, 2^{2121012022102} is an apocalyptic number.

2121012022102 is a deficient number, since it is larger than the sum of its proper divisors (1192856349098).

2121012022102 is a wasteful number, since it uses less digits than its factorization.

2121012022102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41796.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 2121012022102 its reverse (2012202101212), we get a palindrome (4133214123314).

The spelling of 2121012022102 in words is "two trillion, one hundred twenty-one billion, twelve million, twenty-two thousand, one hundred two".