2122101022212 has 60 divisors (see below), whose sum is σ = 5576335412956. Its totient is φ = 703701872640.

The previous prime is 2122101022211. The next prime is 2122101022229. The reversal of 2122101022212 is 2122201012212.

It is a happy number.

2122101022212 is a `hidden beast` number, since 212 + 210 + 10 + 22 + 212 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1286895123396 + 835205898816 = 1134414^2 + 913896^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (2122101022211) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 16905589 + ... + 17030652.

Almost surely, 2^{2122101022212} is an apocalyptic number.

It is an amenable number.

2122101022212 is an abundant number, since it is smaller than the sum of its proper divisors (3454234390744).

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

2122101022212 is a wasteful number, since it uses less digits than its factorization.

2122101022212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33936450 (or 33936439 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 2122101022212 its reverse (2122201012212), we get a palindrome (4244302034424).

The spelling of 2122101022212 in words is "two trillion, one hundred twenty-two billion, one hundred one million, twenty-two thousand, two hundred twelve".