213101022 has 16 divisors (see below), whose sum is σ = 434244240. Its totient is φ = 69693312.

The previous prime is 213100997. The next prime is 213101023. The reversal of 213101022 is 220101312.

It is a junction number, because it is equal to n+sod(n) for n = 213100989 and 213101007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213101023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 334747 + ... + 335382.

It is an arithmetic number, because the mean of its divisors is an integer number (27140265).

Almost surely, 2^213101022 is an apocalyptic number.

213101022 is an abundant number, since it is smaller than the sum of its proper divisors (221143218).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

213101022 is a wasteful number, since it uses less digits than its factorization.

213101022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 670187.

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 213101022 is about 14597.9800657488. The cubic root of 213101022 is about 597.3036621995.

Adding to 213101022 its reverse (220101312), we get a palindrome (433202334).

The spelling of 213101022 in words is "two hundred thirteen million, one hundred one thousand, twenty-two".