22212121021202 has 128 divisors (see below), whose sum is σ = 40398930247680. Its totient is φ = 8959857641280.

The previous prime is 22212121021193. The next prime is 22212121021217. The reversal of 22212121021202 is 20212012121222.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2265844433 + ... + 2265854235.

It is an arithmetic number, because the mean of its divisors is an integer number (315616642560).

Almost surely, 2^{22212121021202} is an apocalyptic number.

22212121021202 is a deficient number, since it is larger than the sum of its proper divisors (18186809226478).

22212121021202 is a wasteful number, since it uses less digits than its factorization.

22212121021202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10836.

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 22212121021202 its reverse (20212012121222), we get a palindrome (42424133142424).

The spelling of 22212121021202 in words is "twenty-two trillion, two hundred twelve billion, one hundred twenty-one million, twenty-one thousand, two hundred two".