2102200020022 has 4 divisors (see below), whose sum is σ = 3153300030036. Its totient is φ = 1051100010010.

The previous prime is 2102200019993. The next prime is 2102200020029. The reversal of 2102200020022 is 2200200022012.

It is a semiprime because it is the product of two primes.

It is a Smith number, since the sum of its digits (13) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 2102200019984 and 2102200020011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2102200020029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 525550005004 + ... + 525550005007.

It is an arithmetic number, because the mean of its divisors is an integer number (788325007509).

Almost surely, 2^{2102200020022} is an apocalyptic number.

2102200020022 is a deficient number, since it is larger than the sum of its proper divisors (1051100010014).

2102200020022 is a wasteful number, since it uses less digits than its factorization.

2102200020022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1051100010013.

The product of its (nonzero) digits is 64, while the sum is 13.

Adding to 2102200020022 its reverse (2200200022012), we get a palindrome (4302400042034).

The spelling of 2102200020022 in words is "two trillion, one hundred two billion, two hundred million, twenty thousand, twenty-two".