2100020102210 has 8 divisors (see below), whose sum is σ = 3780036183996. Its totient is φ = 840008040880.

The previous prime is 2100020102177. The next prime is 2100020102273. The reversal of 2100020102210 is 122010200012.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 2080261020721 + 19759081489 = 1442311^2 + 140567^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 2100020102191 and 2100020102200.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 105001005101 + ... + 105001005120.

Almost surely, 2^{2100020102210} is an apocalyptic number.

2100020102210 is a deficient number, since it is larger than the sum of its proper divisors (1680016081786).

2100020102210 is a wasteful number, since it uses less digits than its factorization.

2100020102210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210002010228.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 2100020102210 its reverse (122010200012), we get a palindrome (2222030302222).

The spelling of 2100020102210 in words is "two trillion, one hundred billion, twenty million, one hundred two thousand, two hundred ten".