2102021312010 has 64 divisors (see below), whose sum is σ = 5076337841280. Its totient is φ = 557041224960.

The previous prime is 2102021311997. The next prime is 2102021312023. The reversal of 2102021312010 is 102131202012.

It is an interprime number because it is at equal distance from previous prime (2102021311997) and next prime (2102021312023).

It is a super-2 number, since 2×2102021312010² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

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, 65612676 + ... + 65644704.

It is an arithmetic number, because the mean of its divisors is an integer number (79317778770).

Almost surely, 2^{2102021312010} is an apocalyptic number.

2102021312010 is an abundant number, since it is smaller than the sum of its proper divisors (2974316529270).

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

2102021312010 is a wasteful number, since it uses less digits than its factorization.

2102021312010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45623.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 2102021312010 its reverse (102131202012), we get a palindrome (2204152514022).

The spelling of 2102021312010 in words is "two trillion, one hundred two billion, twenty-one million, three hundred twelve thousand, ten".