2221032322131 has 32 divisors (see below), whose sum is σ = 3427104012288. Its totient is φ = 1253226038400.

The previous prime is 2221032322127. The next prime is 2221032322141. The reversal of 2221032322131 is 1312232301222.

It is not a de Polignac number, because 2221032322131 - 2² = 2221032322127 is a prime.

It is a super-2 number, since 2×2221032322131² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2221032322141) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 612571 + ... + 2194836.

It is an arithmetic number, because the mean of its divisors is an integer number (107097000384).

Almost surely, 2^{2221032322131} is an apocalyptic number.

2221032322131 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

2221032322131 is a deficient number, since it is larger than the sum of its proper divisors (1206071690157).

2221032322131 is a wasteful number, since it uses less digits than its factorization.

2221032322131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2807891.

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 2221032322131 its reverse (1312232301222), we get a palindrome (3533264623353).

The spelling of 2221032322131 in words is "two trillion, two hundred twenty-one billion, thirty-two million, three hundred twenty-two thousand, one hundred thirty-one".