2212021232031 has 16 divisors (see below), whose sum is σ = 3177571985504. Its totient is φ = 1360671105024.

The previous prime is 2212021231969. The next prime is 2212021232063. The reversal of 2212021232031 is 1302321202122.

It is not a de Polignac number, because 2212021232031 - 2³³ = 2203431297439 is a prime.

It is a super-2 number, since 2×2212021232031² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2212021231989 and 2212021232007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2212021232231) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11837986 + ... + 12023391.

It is an arithmetic number, because the mean of its divisors is an integer number (198598249094).

Almost surely, 2^{2212021232031} is an apocalyptic number.

2212021232031 is a deficient number, since it is larger than the sum of its proper divisors (965550753473).

2212021232031 is a wasteful number, since it uses less digits than its factorization.

2212021232031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23863770.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 2212021232031 its reverse (1302321202122), we get a palindrome (3514342434153).

The spelling of 2212021232031 in words is "two trillion, two hundred twelve billion, twenty-one million, two hundred thirty-two thousand, thirty-one".