2120202020102 has 4 divisors (see below), whose sum is σ = 3180303030156. Its totient is φ = 1060101010050.

The previous prime is 2120202020087. The next prime is 2120202020129. The reversal of 2120202020102 is 2010202020212.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×2120202020102² (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 as a sum of consecutive naturals, namely, 530050505024 + ... + 530050505027.

It is an arithmetic number, because the mean of its divisors is an integer number (795075757539).

Almost surely, 2^{2120202020102} is an apocalyptic number.

2120202020102 is a deficient number, since it is larger than the sum of its proper divisors (1060101010054).

2120202020102 is a wasteful number, since it uses less digits than its factorization.

2120202020102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1060101010053.

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 2120202020102 its reverse (2010202020212), we get a palindrome (4130404040314).

The spelling of 2120202020102 in words is "two trillion, one hundred twenty billion, two hundred two million, twenty thousand, one hundred two".