2231222131110 has 64 divisors (see below), whose sum is σ = 6262247388672. Its totient is φ = 498133310976.

The previous prime is 2231222131109. The next prime is 2231222131121. The reversal of 2231222131110 is 111312221322.

It is a super-3 number, since 3×2231222131110³ (a number of 38 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

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, 123535939 + ... + 123553998.

It is an arithmetic number, because the mean of its divisors is an integer number (97847615448).

Almost surely, 2^{2231222131110} is an apocalyptic number.

2231222131110 is an abundant number, since it is smaller than the sum of its proper divisors (4031025257562).

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

2231222131110 is a wasteful number, since it uses less digits than its factorization.

2231222131110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 247089997.

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 2231222131110 its reverse (111312221322), we get a palindrome (2342534352432).

The spelling of 2231222131110 in words is "two trillion, two hundred thirty-one billion, two hundred twenty-two million, one hundred thirty-one thousand, one hundred ten".