20102021021222 has 16 divisors (see below), whose sum is σ = 34509212005920. Its totient is φ = 8603000731008.

The previous prime is 20102021021213. The next prime is 20102021021231. The reversal of 20102021021222 is 22212012020102.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (20102021021213) and next prime (20102021021231).

It is a self number, because there is not a number n which added to its sum of digits gives 20102021021222.

It is a congruent 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, 1012584323 + ... + 1012604174.

It is an arithmetic number, because the mean of its divisors is an integer number (2156825750370).

Almost surely, 2^{20102021021222} is an apocalyptic number.

20102021021222 is a deficient number, since it is larger than the sum of its proper divisors (14407190984698).

20102021021222 is a wasteful number, since it uses less digits than its factorization.

20102021021222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2025189215.

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

Adding to 20102021021222 its reverse (22212012020102), we get a palindrome (42314033041324).

The spelling of 20102021021222 in words is "twenty trillion, one hundred two billion, twenty-one million, twenty-one thousand, two hundred twenty-two".