232220021133021 has 16 divisors (see below), whose sum is σ = 311724747600384. Its totient is φ = 153767847184704.

The previous prime is 232220021133019. The next prime is 232220021133053. The reversal of 232220021133021 is 120331120022232.

It is not a de Polignac number, because 232220021133021 - 2¹ = 232220021133019 is a prime.

It is a super-2 number, since 2×232220021133021² (a number of 30 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 232220021132982 and 232220021133000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (232220021137021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 440503885 + ... + 441030738.

It is an arithmetic number, because the mean of its divisors is an integer number (19482796725024).

Almost surely, 2^{232220021133021} is an apocalyptic number.

It is an amenable number.

232220021133021 is a deficient number, since it is larger than the sum of its proper divisors (79504726467363).

232220021133021 is a wasteful number, since it uses less digits than its factorization.

232220021133021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 881535220.

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

Adding to 232220021133021 its reverse (120331120022232), we get a palindrome (352551141155253).

The spelling of 232220021133021 in words is "two hundred thirty-two trillion, two hundred twenty billion, twenty-one million, one hundred thirty-three thousand, twenty-one".