212100011022 has 16 divisors (see below), whose sum is σ = 424358515152. Its totient is φ = 70673588160.

The previous prime is 212100010981. The next prime is 212100011023. The reversal of 212100011022 is 220110001212.

It is a junction number, because it is equal to n+sod(n) for n = 212100010989 and 212100011007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212100011023) 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, 6586479 + ... + 6618602.

It is an arithmetic number, because the mean of its divisors is an integer number (26522407197).

Almost surely, 2^212100011022 is an apocalyptic number.

212100011022 is an abundant number, since it is smaller than the sum of its proper divisors (212258504130).

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

212100011022 is a wasteful number, since it uses less digits than its factorization.

212100011022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13207763.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 212100011022 its reverse (220110001212), we get a palindrome (432210012234).

The spelling of 212100011022 in words is "two hundred twelve billion, one hundred million, eleven thousand, twenty-two".