22011201011021 has 4 divisors (see below), whose sum is σ = 22721239753344. Its totient is φ = 21301162268700.

The previous prime is 22011201011017. The next prime is 22011201011027. The reversal of 22011201011021 is 12011010211022.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 22011201011021 - 2² = 22011201011017 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22011201010987 and 22011201011005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22011201011027) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 355019371115 + ... + 355019371176.

It is an arithmetic number, because the mean of its divisors is an integer number (5680309938336).

Almost surely, 2^{22011201011021} is an apocalyptic number.

It is an amenable number.

22011201011021 is a deficient number, since it is larger than the sum of its proper divisors (710038742323).

22011201011021 is an equidigital number, since it uses as much as digits as its factorization.

22011201011021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 710038742322.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 22011201011021 its reverse (12011010211022), we get a palindrome (34022211222043).

The spelling of 22011201011021 in words is "twenty-two trillion, eleven billion, two hundred one million, eleven thousand, twenty-one".