211211102122023 has 16 divisors (see below), whose sum is σ = 288165339837056. Its totient is φ = 137532163718880.

The previous prime is 211211102121947. The next prime is 211211102122051. The reversal of 211211102122023 is 320221201112112.

It is not a de Polignac number, because 211211102122023 - 2²¹ = 211211100024871 is a prime.

It is a super-2 number, since 2×211211102122023² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211211102123023) 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, 24483228 + ... + 31966398.

It is an arithmetic number, because the mean of its divisors is an integer number (18010333739816).

Almost surely, 2^{211211102122023} is an apocalyptic number.

211211102122023 is a deficient number, since it is larger than the sum of its proper divisors (76954237715033).

211211102122023 is a wasteful number, since it uses less digits than its factorization.

211211102122023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7702014.

The product of its (nonzero) digits is 192, while the sum is 21.

Adding to 211211102122023 its reverse (320221201112112), we get a palindrome (531432303234135).

The spelling of 211211102122023 in words is "two hundred eleven trillion, two hundred eleven billion, one hundred two million, one hundred twenty-two thousand, twenty-three".