10203022033221 has 4 divisors (see below), whose sum is σ = 13604029377632. Its totient is φ = 6802014688812.

The previous prime is 10203022033207. The next prime is 10203022033223. The reversal of 10203022033221 is 12233022030201.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 10203022033221 - 2⁶ = 10203022033157 is a prime.

It is a super-2 number, since 2×10203022033221² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10203022033223) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1700503672201 + ... + 1700503672206.

It is an arithmetic number, because the mean of its divisors is an integer number (3401007344408).

Almost surely, 2^{10203022033221} is an apocalyptic number.

It is an amenable number.

10203022033221 is a deficient number, since it is larger than the sum of its proper divisors (3401007344411).

10203022033221 is an equidigital number, since it uses as much as digits as its factorization.

10203022033221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3401007344410.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 10203022033221 its reverse (12233022030201), we get a palindrome (22436044063422).

The spelling of 10203022033221 in words is "ten trillion, two hundred three billion, twenty-two million, thirty-three thousand, two hundred twenty-one".