2101010221210 has 8 divisors (see below), whose sum is σ = 3781818398196. Its totient is φ = 840404088480.

The previous prime is 2101010221169. The next prime is 2101010221223. The reversal of 2101010221210 is 121220101012.

It can be written as a sum of positive squares in 2 ways, for example, as 1683654168249 + 417356052961 = 1297557^2 + 646031^2 .

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

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, 105050511051 + ... + 105050511070.

Almost surely, 2^{2101010221210} is an apocalyptic number.

2101010221210 is a deficient number, since it is larger than the sum of its proper divisors (1680808176986).

2101010221210 is a wasteful number, since it uses less digits than its factorization.

2101010221210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210101022128.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 2101010221210 its reverse (121220101012), we get a palindrome (2222230322222).

The spelling of 2101010221210 in words is "two trillion, one hundred one billion, ten million, two hundred twenty-one thousand, two hundred ten".