22011221020202 has 16 divisors (see below), whose sum is σ = 34452924480000. Its totient is φ = 10526928930672.

The previous prime is 22011221020199. The next prime is 22011221020237. The reversal of 22011221020202 is 20202012211022.

It is a happy 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, 1227653 + ... + 6747560.

It is an arithmetic number, because the mean of its divisors is an integer number (2153307780000).

Almost surely, 2^{22011221020202} is an apocalyptic number.

22011221020202 is a deficient number, since it is larger than the sum of its proper divisors (12441703459798).

22011221020202 is a wasteful number, since it uses less digits than its factorization.

22011221020202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8035237.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 22011221020202 its reverse (20202012211022), we get a palindrome (42213233231224).

The spelling of 22011221020202 in words is "twenty-two trillion, eleven billion, two hundred twenty-one million, twenty thousand, two hundred two".