10203122102021 has 4 divisors (see below), whose sum is σ = 10203220084512. Its totient is φ = 10203024119532.

The previous prime is 10203122101993. The next prime is 10203122102027. The reversal of 10203122102021 is 12020122130201.

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 a cyclic number.

It is not a de Polignac number, because 10203122102021 - 2⁶ = 10203122101957 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 (10203122102027) 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, 48834881 + ... + 49043366.

It is an arithmetic number, because the mean of its divisors is an integer number (2550805021128).

Almost surely, 2^{10203122102021} is an apocalyptic number.

It is an amenable number.

10203122102021 is a deficient number, since it is larger than the sum of its proper divisors (97982491).

10203122102021 is an equidigital number, since it uses as much as digits as its factorization.

10203122102021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97982490.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 10203122102021 its reverse (12020122130201), we get a palindrome (22223244232222).

The spelling of 10203122102021 in words is "ten trillion, two hundred three billion, one hundred twenty-two million, one hundred two thousand, twenty-one".