1211002211010 has 32 divisors (see below), whose sum is σ = 2908781850240. Its totient is φ = 322669862528.

The previous prime is 1211002210993. The next prime is 1211002211051. The reversal of 1211002211010 is 101122001121.

It is a super-2 number, since 2×1211002211010² (a number of 25 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, 16466475 + ... + 16539854.

It is an arithmetic number, because the mean of its divisors is an integer number (90899432820).

Almost surely, 2^{1211002211010} is an apocalyptic number.

1211002211010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1211002211010 is an abundant number, since it is smaller than the sum of its proper divisors (1697779639230).

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

1211002211010 is a wasteful number, since it uses less digits than its factorization.

1211002211010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33007562.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 1211002211010 its reverse (101122001121), we get a palindrome (1312124212131).

The spelling of 1211002211010 in words is "one trillion, two hundred eleven billion, two million, two hundred eleven thousand, ten".