22221012011202 has 48 divisors (see below), whose sum is σ = 50944838929920. Its totient is φ = 6980422600800.

The previous prime is 22221012011179. The next prime is 22221012011267. The reversal of 22221012011202 is 20211021012222.

It is a happy number.

22221012011202 is a `hidden beast` number, since 222 + 210 + 1 + 20 + 11 + 202 = 666.

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

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 170022949 + ... + 170153592.

It is an arithmetic number, because the mean of its divisors is an integer number (1061350811040).

Almost surely, 2^{22221012011202} is an apocalyptic number.

22221012011202 is an abundant number, since it is smaller than the sum of its proper divisors (28723826918718).

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

22221012011202 is a wasteful number, since it uses less digits than its factorization.

22221012011202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 340176759 (or 340176756 counting only the distinct ones).

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

Adding to 22221012011202 its reverse (20211021012222), we get a palindrome (42432033023424).

The spelling of 22221012011202 in words is "twenty-two trillion, two hundred twenty-one billion, twelve million, eleven thousand, two hundred two".