20102001022222 has 32 divisors (see below), whose sum is σ = 36672882383808. Its totient is φ = 8067210902016.

The previous prime is 20102001022217. The next prime is 20102001022361. The reversal of 20102001022222 is 22222010020102.

It is a junction number, because it is equal to n+sod(n) for n = 20102001022196 and 20102001022205.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 214324153 + ... + 214417924.

It is an arithmetic number, because the mean of its divisors is an integer number (1146027574494).

Almost surely, 2^{20102001022222} is an apocalyptic number.

20102001022222 is a deficient number, since it is larger than the sum of its proper divisors (16570881361586).

20102001022222 is a wasteful number, since it uses less digits than its factorization.

20102001022222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 428742300.

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 20102001022222 its reverse (22222010020102), we get a palindrome (42324011042324).

The spelling of 20102001022222 in words is "twenty trillion, one hundred two billion, one million, twenty-two thousand, two hundred twenty-two".