203122334402021 has 8 divisors (see below), whose sum is σ = 205727273750400. Its totient is φ = 200518239317760.

The previous prime is 203122334401991. The next prime is 203122334402023. The reversal of 203122334402021 is 120204433221302.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 203122334402021 - 2³⁸ = 202847456495077 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203122334402023) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 210581756 + ... + 211544133.

It is an arithmetic number, because the mean of its divisors is an integer number (25715909218800).

Almost surely, 2^{203122334402021} is an apocalyptic number.

It is an amenable number.

203122334402021 is a deficient number, since it is larger than the sum of its proper divisors (2604939348379).

203122334402021 is an equidigital number, since it uses as much as digits as its factorization.

203122334402021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 422132059.

The product of its (nonzero) digits is 13824, while the sum is 29.

Adding to 203122334402021 its reverse (120204433221302), we get a palindrome (323326767623323).

The spelling of 203122334402021 in words is "two hundred three trillion, one hundred twenty-two billion, three hundred thirty-four million, four hundred two thousand, twenty-one".