212110220022 has 96 divisors (see below), whose sum is σ = 481223531520. Its totient is φ = 62176719360.

The previous prime is 212110219943. The next prime is 212110220033. The reversal of 212110220022 is 220022011212.

It is a junction number, because it is equal to n+sod(n) for n = 212110219983 and 212110220010.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1490833 + ... + 1626899.

It is an arithmetic number, because the mean of its divisors is an integer number (5012745120).

Almost surely, 2^212110220022 is an apocalyptic number.

212110220022 is an abundant number, since it is smaller than the sum of its proper divisors (269113311498).

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

212110220022 is a wasteful number, since it uses less digits than its factorization.

212110220022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136166 (or 136149 counting only the distinct ones).

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

Adding to 212110220022 its reverse (220022011212), we get a palindrome (432132231234).

The spelling of 212110220022 in words is "two hundred twelve billion, one hundred ten million, two hundred twenty thousand, twenty-two".