32121012022021 has 32 divisors (see below), whose sum is σ = 36744824188800. Its totient is φ = 27816061464576.

The previous prime is 32121012022019. The next prime is 32121012022037. The reversal of 32121012022021 is 12022021012123.

It is a cyclic number.

It is not a de Polignac number, because 32121012022021 - 2¹ = 32121012022019 is a prime.

It is a super-2 number, since 2×32121012022021² (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 32121012022021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32121012022081) 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, 299865330 + ... + 299972428.

It is an arithmetic number, because the mean of its divisors is an integer number (1148275755900).

Almost surely, 2^{32121012022021} is an apocalyptic number.

It is an amenable number.

32121012022021 is a deficient number, since it is larger than the sum of its proper divisors (4623812166779).

32121012022021 is a wasteful number, since it uses less digits than its factorization.

32121012022021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111493.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 32121012022021 its reverse (12022021012123), we get a palindrome (44143033034144).

The spelling of 32121012022021 in words is "thirty-two trillion, one hundred twenty-one billion, twelve million, twenty-two thousand, twenty-one".