210101021021210 has 32 divisors (see below), whose sum is σ = 416567461295232. Its totient is φ = 75658620098880.

The previous prime is 210101021021173. The next prime is 210101021021261. The reversal of 210101021021210 is 12120120101012.

It is a super-2 number, since 2×210101021021210² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9271878389 + ... + 9271901048.

It is an arithmetic number, because the mean of its divisors is an integer number (13017733165476).

Almost surely, 2^{210101021021210} is an apocalyptic number.

210101021021210 is a deficient number, since it is larger than the sum of its proper divisors (206466440274022).

210101021021210 is a wasteful number, since it uses less digits than its factorization.

210101021021210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18543779558.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 210101021021210 its reverse (12120120101012), we get a palindrome (222221141122222).

The spelling of 210101021021210 in words is "two hundred ten trillion, one hundred one billion, twenty-one million, twenty-one thousand, two hundred ten".