212220111202022 has 64 divisors (see below), whose sum is σ = 402843233295360. Its totient is φ = 81448957968000.

The previous prime is 212220111202019. The next prime is 212220111202027. The reversal of 212220111202022 is 220202111022212.

It is a junction number, because it is equal to n+sod(n) for n = 212220111201985 and 212220111202003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212220111202027) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 31565522 + ... + 37693797.

It is an arithmetic number, because the mean of its divisors is an integer number (6294425520240).

Almost surely, 2^{212220111202022} is an apocalyptic number.

212220111202022 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

212220111202022 is a deficient number, since it is larger than the sum of its proper divisors (190623122093338).

212220111202022 is a wasteful number, since it uses less digits than its factorization.

212220111202022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69259637.

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 212220111202022 its reverse (220202111022212), we get a palindrome (432422222224234).

The spelling of 212220111202022 in words is "two hundred twelve trillion, two hundred twenty billion, one hundred eleven million, two hundred two thousand, twenty-two".