212220011022 has 32 divisors (see below), whose sum is σ = 426183234048. Its totient is φ = 70449632736.

The previous prime is 212220011021. The next prime is 212220011033. The reversal of 212220011022 is 220110022212.

It is a junction number, because it is equal to n+sod(n) for n = 212220010992 and 212220011010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212220011021) 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, 5682703 + ... + 5719925.

It is an arithmetic number, because the mean of its divisors is an integer number (13318226064).

Almost surely, 2^212220011022 is an apocalyptic number.

212220011022 is an abundant number, since it is smaller than the sum of its proper divisors (213963223026).

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

212220011022 is a wasteful number, since it uses less digits than its factorization.

212220011022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41104.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 212220011022 its reverse (220110022212), we get a palindrome (432330033234).

The spelling of 212220011022 in words is "two hundred twelve billion, two hundred twenty million, eleven thousand, twenty-two".