2101222012022 has 12 divisors (see below), whose sum is σ = 3666418000740. Its totient is φ = 900523719396.

The previous prime is 2101222011949. The next prime is 2101222012031. The reversal of 2101222012022 is 2202102221012.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 10720520372 + ... + 10720520567.

It is an arithmetic number, because the mean of its divisors is an integer number (305534833395).

Almost surely, 2^{2101222012022} is an apocalyptic number.

2101222012022 is a deficient number, since it is larger than the sum of its proper divisors (1565195988718).

2101222012022 is a wasteful number, since it uses less digits than its factorization.

2101222012022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21441040955 (or 21441040948 counting only the distinct ones).

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

Adding to 2101222012022 its reverse (2202102221012), we get a palindrome (4303324233034).

The spelling of 2101222012022 in words is "two trillion, one hundred one billion, two hundred twenty-two million, twelve thousand, twenty-two".