213122231102 has 32 divisors (see below), whose sum is σ = 349545127680. Its totient is φ = 96651838080.

The previous prime is 213122231083. The next prime is 213122231107. The reversal of 213122231102 is 201132221312.

It is a super-2 number, since 2×213122231102² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213122231107) 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, 24194783 + ... + 24203589.

It is an arithmetic number, because the mean of its divisors is an integer number (10923285240).

Almost surely, 2^213122231102 is an apocalyptic number.

213122231102 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

213122231102 is a deficient number, since it is larger than the sum of its proper divisors (136422896578).

213122231102 is a wasteful number, since it uses less digits than its factorization.

213122231102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11216.

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

Adding to 213122231102 its reverse (201132221312), we get a palindrome (414254452414).

The spelling of 213122231102 in words is "two hundred thirteen billion, one hundred twenty-two million, two hundred thirty-one thousand, one hundred two".