212022120011 has 64 divisors (see below), whose sum is σ = 240671692800. Its totient is φ = 185533286400.

The previous prime is 212022120007. The next prime is 212022120043. The reversal of 212022120011 is 110021220212.

It is a cyclic number.

It is not a de Polignac number, because 212022120011 - 2² = 212022120007 is a prime.

It is a super-3 number, since 3×212022120011³ (a number of 35 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212022120001) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1065437690 + ... + 1065437888.

It is an arithmetic number, because the mean of its divisors is an integer number (3760495200).

Almost surely, 2^212022120011 is an apocalyptic number.

212022120011 is a deficient number, since it is larger than the sum of its proper divisors (28649572789).

212022120011 is a wasteful number, since it uses less digits than its factorization.

212022120011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 636.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 212022120011 its reverse (110021220212), we get a palindrome (322043340223).

The spelling of 212022120011 in words is "two hundred twelve billion, twenty-two million, one hundred twenty thousand, eleven".