33330120031021 has 32 divisors (see below), whose sum is σ = 37627125903360. Its totient is φ = 29249260838400.

The previous prime is 33330120030979. The next prime is 33330120031037. The reversal of 33330120031021 is 12013002103333.

It is a cyclic number.

It is not a de Polignac number, because 33330120031021 - 2¹⁷ = 33330119899949 is a prime.

It is a super-2 number, since 2×33330120031021² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 33330120030983 and 33330120031001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33330120034021) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 251944125 + ... + 252076381.

It is an arithmetic number, because the mean of its divisors is an integer number (1175847684480).

Almost surely, 2^{33330120031021} is an apocalyptic number.

33330120031021 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

It is an amenable number.

33330120031021 is a deficient number, since it is larger than the sum of its proper divisors (4297005872339).

33330120031021 is a wasteful number, since it uses less digits than its factorization.

33330120031021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134145.

The product of its (nonzero) digits is 972, while the sum is 22.

Adding to 33330120031021 its reverse (12013002103333), we get a palindrome (45343122134354).

The spelling of 33330120031021 in words is "thirty-three trillion, three hundred thirty billion, one hundred twenty million, thirty-one thousand, twenty-one".