213122000022 has 32 divisors (see below), whose sum is σ = 444811530240. Its totient is φ = 67946567040.

The previous prime is 213122000009. The next prime is 213122000023. The reversal of 213122000022 is 220000221312.

It is a happy number.

213122000022 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 213121999965 and 213122000010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213122000023) 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, 1922379 + ... + 2030217.

It is an arithmetic number, because the mean of its divisors is an integer number (13900360320).

Almost surely, 2^213122000022 is an apocalyptic number.

213122000022 is an abundant number, since it is smaller than the sum of its proper divisors (231689530218).

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

213122000022 is a wasteful number, since it uses less digits than its factorization.

213122000022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122188.

The product of its (nonzero) digits is 96, while the sum is 15.

Adding to 213122000022 its reverse (220000221312), we get a palindrome (433122221334).

The spelling of 213122000022 in words is "two hundred thirteen billion, one hundred twenty-two million, twenty-two", and thus it is an aban number.