22011012011021 has 16 divisors (see below), whose sum is σ = 25424659054080. Its totient is φ = 18832822126080.

The previous prime is 22011012010961. The next prime is 22011012011039. The reversal of 22011012011021 is 12011021011022.

It is not a de Polignac number, because 22011012011021 - 2³⁸ = 21736134104077 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22011012010987 and 22011012011005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22011012511021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35321540 + ... + 35939298.

It is an arithmetic number, because the mean of its divisors is an integer number (1589041190880).

Almost surely, 2^{22011012011021} is an apocalyptic number.

It is an amenable number.

22011012011021 is a deficient number, since it is larger than the sum of its proper divisors (3413647043059).

22011012011021 is a wasteful number, since it uses less digits than its factorization.

22011012011021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 808324.

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

Adding to 22011012011021 its reverse (12011021011022), we get a palindrome (34022033022043).

Subtracting from 22011012011021 its reverse (12011021011022), we obtain a palindrome (9999990999999).

The spelling of 22011012011021 in words is "twenty-two trillion, eleven billion, twelve million, eleven thousand, twenty-one".