2202021231131 has 4 divisors (see below), whose sum is σ = 2202044920152. Its totient is φ = 2201997542112.

The previous prime is 2202021231103. The next prime is 2202021231181. The reversal of 2202021231131 is 1311321202022.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2202021231131 is a prime.

It is a super-2 number, since 2×2202021231131² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2202021231181) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11704526 + ... + 11891171.

It is an arithmetic number, because the mean of its divisors is an integer number (550511230038).

Almost surely, 2^{2202021231131} is an apocalyptic number.

2202021231131 is a deficient number, since it is larger than the sum of its proper divisors (23689021).

2202021231131 is an equidigital number, since it uses as much as digits as its factorization.

2202021231131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23689020.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 2202021231131 its reverse (1311321202022), we get a palindrome (3513342433153).

The spelling of 2202021231131 in words is "two trillion, two hundred two billion, twenty-one million, two hundred thirty-one thousand, one hundred thirty-one".