2021222130102 has 48 divisors (see below), whose sum is σ = 5005791727872. Its totient is φ = 577392721200.

The previous prime is 2021222130101. The next prime is 2021222130119. The reversal of 2021222130102 is 2010312221202.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2021222130101) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 642274 + ... + 2110677.

It is an arithmetic number, because the mean of its divisors is an integer number (104287327664).

Almost surely, 2^{2021222130102} is an apocalyptic number.

2021222130102 is an abundant number, since it is smaller than the sum of its proper divisors (2984569597770).

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

2021222130102 is a wasteful number, since it uses less digits than its factorization.

2021222130102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2758793 (or 2758790 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 2021222130102 its reverse (2010312221202), we get a palindrome (4031534351304).

The spelling of 2021222130102 in words is "two trillion, twenty-one billion, two hundred twenty-two million, one hundred thirty thousand, one hundred two".