20002100102222 has 16 divisors (see below), whose sum is σ = 34291280671872. Its totient is φ = 8571837062520.

The previous prime is 20002100102219. The next prime is 20002100102263. The reversal of 20002100102222 is 22220100120002.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a junction number, because it is equal to n+sod(n) for n = 20002100102197 and 20002100102206.

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, 40709804 + ... + 41198207.

It is an arithmetic number, because the mean of its divisors is an integer number (2143205041992).

Almost surely, 2^{20002100102222} is an apocalyptic number.

20002100102222 is a deficient number, since it is larger than the sum of its proper divisors (14289180569650).

20002100102222 is a wasteful number, since it uses less digits than its factorization.

20002100102222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81925463.

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 20002100102222 its reverse (22220100120002), we get a palindrome (42222200222224).

The spelling of 20002100102222 in words is "twenty trillion, two billion, one hundred million, one hundred two thousand, two hundred twenty-two".