212111120022 has 16 divisors (see below), whose sum is σ = 424705970352. Its totient is φ = 70623084960.

The previous prime is 212111120009. The next prime is 212111120027. The reversal of 212111120022 is 220021111212.

It is a super-2 number, since 2×212111120022² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 212111119983 and 212111120010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212111120027) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20149729 + ... + 20160252.

It is an arithmetic number, because the mean of its divisors is an integer number (26544123147).

Almost surely, 2^212111120022 is an apocalyptic number.

212111120022 is an abundant number, since it is smaller than the sum of its proper divisors (212594850330).

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

212111120022 is a wasteful number, since it uses less digits than its factorization.

212111120022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40310863.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 212111120022 its reverse (220021111212), we get a palindrome (432132231234).

The spelling of 212111120022 in words is "two hundred twelve billion, one hundred eleven million, one hundred twenty thousand, twenty-two".