22101020001212 has 12 divisors (see below), whose sum is σ = 38677086605976. Its totient is φ = 11050423828080.

The previous prime is 22101020001191. The next prime is 22101020001259. The reversal of 22101020001212 is 21210002010122.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20964338 + ... + 21993305.

It is an arithmetic number, because the mean of its divisors is an integer number (3223090550498).

Almost surely, 2^{22101020001212} is an apocalyptic number.

It is an amenable number.

22101020001212 is a deficient number, since it is larger than the sum of its proper divisors (16576066604764).

22101020001212 is a wasteful number, since it uses less digits than its factorization.

22101020001212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43086268 (or 43086266 counting only the distinct ones).

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

Adding to 22101020001212 its reverse (21210002010122), we get a palindrome (43311022011334).

The spelling of 22101020001212 in words is "twenty-two trillion, one hundred one billion, twenty million, one thousand, two hundred twelve".