2100022212 has 48 divisors (see below), whose sum is σ = 5065625600. Its totient is φ = 676421280.

The previous prime is 2100022201. The next prime is 2100022217. The reversal of 2100022212 is 2122200012.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is not an unprimeable number, because it can be changed into a prime (2100022217) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 271089 + ... + 278727.

Almost surely, 2^2100022212 is an apocalyptic number.

It is an amenable number.

2100022212 is an abundant number, since it is smaller than the sum of its proper divisors (2965603388).

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

2100022212 is a wasteful number, since it uses less digits than its factorization.

2100022212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8416 (or 8414 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

The square root of 2100022212 is about 45825.9993017064. Note that the first 3 decimals coincide. The cubic root of 2100022212 is about 1280.5836799278.

Adding to 2100022212 its reverse (2122200012), we get a palindrome (4222222224).

The spelling of 2100022212 in words is "two billion, one hundred million, twenty-two thousand, two hundred twelve".