2120120220102 has 64 divisors (see below), whose sum is σ = 4474496471040. Its totient is φ = 668809065600.

The previous prime is 2120120220073. The next prime is 2120120220143. The reversal of 2120120220102 is 2010220210212.

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, 1422799 + ... + 2502917.

It is an arithmetic number, because the mean of its divisors is an integer number (69914007360).

Almost surely, 2^{2120120220102} is an apocalyptic number.

2120120220102 is an abundant number, since it is smaller than the sum of its proper divisors (2354376250938).

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

2120120220102 is a wasteful number, since it uses less digits than its factorization.

2120120220102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1080389.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 2120120220102 its reverse (2010220210212), we get a palindrome (4130340430314).

The spelling of 2120120220102 in words is "two trillion, one hundred twenty billion, one hundred twenty million, two hundred twenty thousand, one hundred two".