22100201212 has 24 divisors (see below), whose sum is σ = 40962072816. Its totient is φ = 10397123328.

The previous prime is 22100201203. The next prime is 22100201231. The reversal of 22100201212 is 21210200122.

It is a happy number.

It is a super-3 number, since 3×22100201212³ (a number of 32 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 22100201192 and 22100201201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 203118 + ... + 292330.

It is an arithmetic number, because the mean of its divisors is an integer number (1706753034).

Almost surely, 2^22100201212 is an apocalyptic number.

It is an amenable number.

22100201212 is a deficient number, since it is larger than the sum of its proper divisors (18861871604).

22100201212 is a wasteful number, since it uses less digits than its factorization.

22100201212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92877 (or 92875 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 22100201212 its reverse (21210200122), we get a palindrome (43310401334).

The spelling of 22100201212 in words is "twenty-two billion, one hundred million, two hundred one thousand, two hundred twelve".