2102021120210 has 128 divisors (see below), whose sum is σ = 4369874116608. Its totient is φ = 720812736000.

The previous prime is 2102021120201. The next prime is 2102021120263. The reversal of 2102021120210 is 120211202012.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 123443717 + ... + 123460743.

It is an arithmetic number, because the mean of its divisors is an integer number (34139641536).

Almost surely, 2^{2102021120210} is an apocalyptic number.

2102021120210 is an abundant number, since it is smaller than the sum of its proper divisors (2267852996398).

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

2102021120210 is a wasteful number, since it uses less digits than its factorization.

2102021120210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18000.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 2102021120210 its reverse (120211202012), we get a palindrome (2222232322222).

The spelling of 2102021120210 in words is "two trillion, one hundred two billion, twenty-one million, one hundred twenty thousand, two hundred ten".