21133222003122 has 16 divisors (see below), whose sum is σ = 44752705418592. Its totient is φ = 6630030432320.

The previous prime is 21133222003057. The next prime is 21133222003129. The reversal of 21133222003122 is 22130022233112.

It is a super-2 number, since 2×21133222003122² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 21133222003092 and 21133222003101.

It is not an unprimeable number, because it can be changed into a prime (21133222003129) 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, 103594225404 + ... + 103594225607.

It is an arithmetic number, because the mean of its divisors is an integer number (2797044088662).

Almost surely, 2^{21133222003122} is an apocalyptic number.

21133222003122 is an abundant number, since it is smaller than the sum of its proper divisors (23619483415470).

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

21133222003122 is a wasteful number, since it uses less digits than its factorization.

21133222003122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 207188451033.

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 21133222003122 its reverse (22130022233112), we get a palindrome (43263244236234).

The spelling of 21133222003122 in words is "twenty-one trillion, one hundred thirty-three billion, two hundred twenty-two million, three thousand, one hundred twenty-two".