1111201121010 has 64 divisors (see below), whose sum is σ = 2739183018624. Its totient is φ = 288288230400.

The previous prime is 1111201121003. The next prime is 1111201121027. The reversal of 1111201121010 is 101211021111.

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, 16762330 + ... + 16828490.

It is an arithmetic number, because the mean of its divisors is an integer number (42799734666).

Almost surely, 2^{1111201121010} is an apocalyptic number.

1111201121010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1111201121010 is an abundant number, since it is smaller than the sum of its proper divisors (1627981897614).

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

1111201121010 is a wasteful number, since it uses less digits than its factorization.

1111201121010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81339.

The product of its (nonzero) digits is 4, while the sum is 12.

Adding to 1111201121010 its reverse (101211021111), we get a palindrome (1212412142121).

The spelling of 1111201121010 in words is "one trillion, one hundred eleven billion, two hundred one million, one hundred twenty-one thousand, ten".