2120210100022 has 64 divisors (see below), whose sum is σ = 3765382387200. Its totient is φ = 894812976288.

The previous prime is 2120210099993. The next prime is 2120210100023. The reversal of 2120210100022 is 2200010120212.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 2120210099975 and 2120210100011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2120210100023) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 206502133 + ... + 206512399.

It is an arithmetic number, because the mean of its divisors is an integer number (58834099800).

Almost surely, 2^{2120210100022} is an apocalyptic number.

2120210100022 is a deficient number, since it is larger than the sum of its proper divisors (1645172287178).

2120210100022 is a wasteful number, since it uses less digits than its factorization.

2120210100022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14850 (or 14836 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 2120210100022 its reverse (2200010120212), we get a palindrome (4320220220234).

The spelling of 2120210100022 in words is "two trillion, one hundred twenty billion, two hundred ten million, one hundred thousand, twenty-two".