1001311122210 has 64 divisors (see below), whose sum is σ = 2746653622272. Its totient is φ = 228854425536.

The previous prime is 1001311122193. The next prime is 1001311122247. The reversal of 1001311122210 is 122211131001.

It is a super-2 number, since 2×1001311122210² (a number of 25 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 1001311122210.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2836947 + ... + 3170313.

It is an arithmetic number, because the mean of its divisors is an integer number (42916462848).

Almost surely, 2^{1001311122210} is an apocalyptic number.

1001311122210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1001311122210 is an abundant number, since it is smaller than the sum of its proper divisors (1745342500062).

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

1001311122210 is a wasteful number, since it uses less digits than its factorization.

1001311122210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 347687.

The product of its (nonzero) digits is 24, while the sum is 15.

Adding to 1001311122210 its reverse (122211131001), we get a palindrome (1123522253211).

The spelling of 1001311122210 in words is "one trillion, one billion, three hundred eleven million, one hundred twenty-two thousand, two hundred ten".