21133101122 has 48 divisors (see below), whose sum is σ = 37354558752. Its totient is φ = 8939952000.

The previous prime is 21133101107. The next prime is 21133101151. The reversal of 21133101122 is 22110133112.

It is a self number, because there is not a number n which added to its sum of digits gives 21133101122.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2775773 + ... + 2783375.

It is an arithmetic number, because the mean of its divisors is an integer number (778219974).

Almost surely, 2^21133101122 is an apocalyptic number.

21133101122 is a deficient number, since it is larger than the sum of its proper divisors (16221457630).

21133101122 is a wasteful number, since it uses less digits than its factorization.

21133101122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7983 (or 7976 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 21133101122 its reverse (22110133112), we get a palindrome (43243234234).

The spelling of 21133101122 in words is "twenty-one billion, one hundred thirty-three million, one hundred one thousand, one hundred twenty-two".