233112201021 has 64 divisors (see below), whose sum is σ = 420239923200. Its totient is φ = 124670562048.

The previous prime is 233112201019. The next prime is 233112201031. The reversal of 233112201021 is 120102211332.

It is not a de Polignac number, because 233112201021 - 2¹ = 233112201019 is a prime.

It is a super-2 number, since 2×233112201021² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 233112200985 and 233112201003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (233112201031) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 372466 + ... + 777788.

It is an arithmetic number, because the mean of its divisors is an integer number (6566248800).

Almost surely, 2^233112201021 is an apocalyptic number.

233112201021 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

233112201021 is a deficient number, since it is larger than the sum of its proper divisors (187127722179).

233112201021 is a wasteful number, since it uses less digits than its factorization.

233112201021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 405535 (or 405529 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 233112201021 its reverse (120102211332), we get a palindrome (353214412353).

The spelling of 233112201021 in words is "two hundred thirty-three billion, one hundred twelve million, two hundred one thousand, twenty-one".