220011313121210 has 32 divisors (see below), whose sum is σ = 426697031092752. Its totient is φ = 81194267796480.

The previous prime is 220011313121203. The next prime is 220011313121311. The reversal of 220011313121210 is 12121313110022.

It can be written as a sum of positive squares in 8 ways, for example, as 13531972887889 + 206479340233321 = 3678583^2 + 14369389^2 .

It is a super-2 number, since 2×220011313121210² (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, 423474671 + ... + 423993890.

Almost surely, 2^{220011313121210} is an apocalyptic number.

220011313121210 is a deficient number, since it is larger than the sum of its proper divisors (206685717971542).

220011313121210 is a wasteful number, since it uses less digits than its factorization.

220011313121210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 847470578.

The product of its (nonzero) digits is 144, while the sum is 20.

Adding to 220011313121210 its reverse (12121313110022), we get a palindrome (232132626231232).

The spelling of 220011313121210 in words is "two hundred twenty trillion, eleven billion, three hundred thirteen million, one hundred twenty-one thousand, two hundred ten".