21130100310210 has 32 divisors (see below), whose sum is σ = 50712429741120. Its totient is φ = 5634672416448.

The previous prime is 21130100310197. The next prime is 21130100310259. The reversal of 21130100310210 is 1201300103112.

It is a happy number.

It is a super-2 number, since 2×21130100310210² (a number of 27 digits) contains 22 as substring.

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

It is a self number, because there is not a number n which added to its sum of digits gives 21130100310210.

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, 7940889 + ... + 10262451.

It is an arithmetic number, because the mean of its divisors is an integer number (1584763429410).

Almost surely, 2^{21130100310210} is an apocalyptic number.

21130100310210 is an abundant number, since it is smaller than the sum of its proper divisors (29582329430910).

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

21130100310210 is a wasteful number, since it uses less digits than its factorization.

21130100310210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2624962.

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 21130100310210 its reverse (1201300103112), we get a palindrome (22331400413322).

The spelling of 21130100310210 in words is "twenty-one trillion, one hundred thirty billion, one hundred million, three hundred ten thousand, two hundred ten".