2120101021204 has 12 divisors (see below), whose sum is σ = 3710528236800. Its totient is φ = 1059950096408.

The previous prime is 2120101021177. The next prime is 2120101021211. The reversal of 2120101021204 is 4021201010212.

It is a super-2 number, since 2×2120101021204² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25056034 + ... + 25140505.

It is an arithmetic number, because the mean of its divisors is an integer number (309210686400).

Almost surely, 2^{2120101021204} is an apocalyptic number.

It is an amenable number.

2120101021204 is a deficient number, since it is larger than the sum of its proper divisors (1590427215596).

2120101021204 is a wasteful number, since it uses less digits than its factorization.

2120101021204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50207102 (or 50207100 counting only the distinct ones).

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

Adding to 2120101021204 its reverse (4021201010212), we get a palindrome (6141302031416).

The spelling of 2120101021204 in words is "two trillion, one hundred twenty billion, one hundred one million, twenty-one thousand, two hundred four".