20102222221101 has 96 divisors (see below), whose sum is σ = 31623724484352. Its totient is φ = 12270862264320.

The previous prime is 20102222221091. The next prime is 20102222221141. The reversal of 20102222221101 is 10112222220102.

It is a happy number.

20102222221101 is a `hidden beast` number, since 20 + 102 + 222 + 221 + 101 = 666.

It is not a de Polignac number, because 20102222221101 - 2⁷ = 20102222220973 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20102222221141) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 153137371 + ... + 153268583.

It is an arithmetic number, because the mean of its divisors is an integer number (329413796712).

Almost surely, 2^{20102222221101} is an apocalyptic number.

It is an amenable number.

20102222221101 is a deficient number, since it is larger than the sum of its proper divisors (11521502263251).

20102222221101 is a wasteful number, since it uses less digits than its factorization.

20102222221101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131603 (or 131600 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 20102222221101 its reverse (10112222220102), we get a palindrome (30214444441203).

Subtracting from 20102222221101 its reverse (10112222220102), we obtain a palindrome (9990000000999).

The spelling of 20102222221101 in words is "twenty trillion, one hundred two billion, two hundred twenty-two million, two hundred twenty-one thousand, one hundred one".