211213213122023 has 16 divisors (see below), whose sum is σ = 251017586012160. Its totient is φ = 173881973580000.

The previous prime is 211213213121879. The next prime is 211213213122071. The reversal of 211213213122023 is 320221312312112.

It is not a de Polignac number, because 211213213122023 - 2¹⁸ = 211213212859879 is a prime.

It is a super-2 number, since 2×211213213122023² (a number of 29 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 = 211213213121983 and 211213213122001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211213213128023) 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, 2723676353 + ... + 2723753898.

It is an arithmetic number, because the mean of its divisors is an integer number (15688599125760).

Almost surely, 2^{211213213122023} is an apocalyptic number.

211213213122023 is a deficient number, since it is larger than the sum of its proper divisors (39804372890137).

211213213122023 is a wasteful number, since it uses less digits than its factorization.

211213213122023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5447430478.

The product of its (nonzero) digits is 1728, while the sum is 26.

Adding to 211213213122023 its reverse (320221312312112), we get a palindrome (531434525434135).

The spelling of 211213213122023 in words is "two hundred eleven trillion, two hundred thirteen billion, two hundred thirteen million, one hundred twenty-two thousand, twenty-three".