21033133010120 has 128 divisors (see below), whose sum is σ = 59882663439360. Its totient is φ = 6457934165760.

The previous prime is 21033133010117. The next prime is 21033133010159. The reversal of 21033133010120 is 2101033133012.

It is a super-2 number, since 2×21033133010120² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 21033133010092 and 21033133010101.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 50755874 + ... + 51168593.

It is an arithmetic number, because the mean of its divisors is an integer number (467833308120).

Almost surely, 2^{21033133010120} is an apocalyptic number.

21033133010120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

21033133010120 is an abundant number, since it is smaller than the sum of its proper divisors (38849530429240).

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

21033133010120 is a wasteful number, since it uses less digits than its factorization.

21033133010120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101924563 (or 101924559 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 21033133010120 its reverse (2101033133012), we get a palindrome (23134166143132).

The spelling of 21033133010120 in words is "twenty-one trillion, thirty-three billion, one hundred thirty-three million, ten thousand, one hundred twenty".