2120211303102 has 24 divisors (see below), whose sum is σ = 4593824829360. Its totient is φ = 706731920640.

The previous prime is 2120211303097. The next prime is 2120211303137. The reversal of 2120211303102 is 2013031120212.

2120211303102 is a `hidden beast` number, since 21 + 202 + 1 + 130 + 310 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

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 11 ways as a sum of consecutive naturals, for example, 2710174 + ... + 3403742.

It is an arithmetic number, because the mean of its divisors is an integer number (191409367890).

Almost surely, 2^{2120211303102} is an apocalyptic number.

2120211303102 is an abundant number, since it is smaller than the sum of its proper divisors (2473613526258).

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

2120211303102 is a wasteful number, since it uses less digits than its factorization.

2120211303102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 863408 (or 863405 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 2120211303102 its reverse (2013031120212), we get a palindrome (4133242423314).

The spelling of 2120211303102 in words is "two trillion, one hundred twenty billion, two hundred eleven million, three hundred three thousand, one hundred two".