213211131101122 has 32 divisors (see below), whose sum is σ = 398734042466304. Its totient is φ = 83068951534800.

The previous prime is 213211131101039. The next prime is 213211131101123. The reversal of 213211131101122 is 221101131112312.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 213211131101093 and 213211131101102.

It is not an unprimeable number, because it can be changed into a prime (213211131101123) 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, 39559047 + ... + 44624437.

It is an arithmetic number, because the mean of its divisors is an integer number (12460438827072).

Almost surely, 2^{213211131101122} is an apocalyptic number.

213211131101122 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

213211131101122 is a deficient number, since it is larger than the sum of its proper divisors (185522911365182).

213211131101122 is a wasteful number, since it uses less digits than its factorization.

213211131101122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5338734.

The product of its (nonzero) digits is 144, while the sum is 22.

Adding to 213211131101122 its reverse (221101131112312), we get a palindrome (434312262213434).

It can be divided in two parts, 2132111 and 31101122, that added together give a palindrome (33233233).

The spelling of 213211131101122 in words is "two hundred thirteen trillion, two hundred eleven billion, one hundred thirty-one million, one hundred one thousand, one hundred twenty-two".