2100012200022 has 16 divisors (see below), whose sum is σ = 4581844800192. Its totient is φ = 636367333320.

The previous prime is 2100012200017. The next prime is 2100012200029. The reversal of 2100012200022 is 2200022100012.

It is a junction number, because it is equal to n+sod(n) for n = 2100012199980 and 2100012200007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2100012200029) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15909183268 + ... + 15909183399.

It is an arithmetic number, because the mean of its divisors is an integer number (286365300012).

Almost surely, 2^{2100012200022} is an apocalyptic number.

2100012200022 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2100012200022 is an abundant number, since it is smaller than the sum of its proper divisors (2481832600170).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2100012200022 is a wasteful number, since it uses less digits than its factorization.

2100012200022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31818366683.

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 2100012200022 its reverse (2200022100012), we get a palindrome (4300034300034).

The spelling of 2100012200022 in words is "two trillion, one hundred billion, twelve million, two hundred thousand, twenty-two".