1131220210110 has 16 divisors (see below), whose sum is σ = 2714928504336. Its totient is φ = 301658722688.

The previous prime is 1131220210063. The next prime is 1131220210139. The reversal of 1131220210110 is 110120221311.

It is a super-2 number, since 2×1131220210110² (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 1131220210110.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18853670139 + ... + 18853670198.

It is an arithmetic number, because the mean of its divisors is an integer number (169683031521).

Almost surely, 2^{1131220210110} is an apocalyptic number.

1131220210110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1131220210110 is an abundant number, since it is smaller than the sum of its proper divisors (1583708294226).

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

1131220210110 is a wasteful number, since it uses less digits than its factorization.

1131220210110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37707340347.

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

Adding to 1131220210110 its reverse (110120221311), we get a palindrome (1241340431421).

The spelling of 1131220210110 in words is "one trillion, one hundred thirty-one billion, two hundred twenty million, two hundred ten thousand, one hundred ten".