210222101020 has 24 divisors (see below), whose sum is σ = 450859316544. Its totient is φ = 82299715776.

The previous prime is 210222101009. The next prime is 210222101021. The reversal of 210222101020 is 20101222012.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210222101021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 111819327 + ... + 111821206.

It is an arithmetic number, because the mean of its divisors is an integer number (18785804856).

Almost surely, 2^210222101020 is an apocalyptic number.

210222101020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

210222101020 is an abundant number, since it is smaller than the sum of its proper divisors (240637215524).

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

210222101020 is a wasteful number, since it uses less digits than its factorization.

210222101020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 223640589 (or 223640587 counting only the distinct ones).

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

Adding to 210222101020 its reverse (20101222012), we get a palindrome (230323323032).

The spelling of 210222101020 in words is "two hundred ten billion, two hundred twenty-two million, one hundred one thousand, twenty".