21000101112022 has 8 divisors (see below), whose sum is σ = 31500220091400. Its totient is φ = 10500027748224.

The previous prime is 21000101111989. The next prime is 21000101112031. The reversal of 21000101112022 is 22021110100012.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 21000101111993 and 21000101112011.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10228747 + ... + 12108982.

It is an arithmetic number, because the mean of its divisors is an integer number (3937527511425).

Almost surely, 2^{21000101112022} is an apocalyptic number.

21000101112022 is a deficient number, since it is larger than the sum of its proper divisors (10500118979378).

21000101112022 is a wasteful number, since it uses less digits than its factorization.

21000101112022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22807790.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 21000101112022 its reverse (22021110100012), we get a palindrome (43021211212034).

The spelling of 21000101112022 in words is "twenty-one trillion, one hundred one million, one hundred twelve thousand, twenty-two".