21100201001022 has 32 divisors (see below), whose sum is σ = 49578094661760. Its totient is φ = 5902154125920.

The previous prime is 21100201000999. The next prime is 21100201001039. The reversal of 21100201001022 is 22010010200112.

It is a junction number, because it is equal to n+sod(n) for n = 21100201000989 and 21100201001007.

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, 12296153572 + ... + 12296155287.

It is an arithmetic number, because the mean of its divisors is an integer number (1549315458180).

Almost surely, 2^{21100201001022} is an apocalyptic number.

21100201001022 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

21100201001022 is an abundant number, since it is smaller than the sum of its proper divisors (28477893660738).

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

21100201001022 is a wasteful number, since it uses less digits than its factorization.

21100201001022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24592308888.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 21100201001022 its reverse (22010010200112), we get a palindrome (43110211201134).

The spelling of 21100201001022 in words is "twenty-one trillion, one hundred billion, two hundred one million, one thousand, twenty-two".