2212031131022 has 4 divisors (see below), whose sum is σ = 3318046696536. Its totient is φ = 1106015565510.

The previous prime is 2212031131007. The next prime is 2212031131157. The reversal of 2212031131022 is 2201311302122.

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

It is a super-2 number, since 2×2212031131022² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2212031130985 and 2212031131003.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 553007782754 + ... + 553007782757.

It is an arithmetic number, because the mean of its divisors is an integer number (829511674134).

Almost surely, 2^{2212031131022} is an apocalyptic number.

2212031131022 is a deficient number, since it is larger than the sum of its proper divisors (1106015565514).

2212031131022 is a wasteful number, since it uses less digits than its factorization.

2212031131022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1106015565513.

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

Adding to 2212031131022 its reverse (2201311302122), we get a palindrome (4413342433144).

The spelling of 2212031131022 in words is "two trillion, two hundred twelve billion, thirty-one million, one hundred thirty-one thousand, twenty-two".