10122010331221 has 4 divisors (see below), whose sum is σ = 10273085112352. Its totient is φ = 9970935550092.

The previous prime is 10122010331219. The next prime is 10122010331243. The reversal of 10122010331221 is 12213301022101.

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 10122010331221 - 2¹ = 10122010331219 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 (10122010331821) 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, 75537390465 + ... + 75537390598.

It is an arithmetic number, because the mean of its divisors is an integer number (2568271278088).

Almost surely, 2^{10122010331221} is an apocalyptic number.

It is an amenable number.

10122010331221 is a deficient number, since it is larger than the sum of its proper divisors (151074781131).

10122010331221 is an equidigital number, since it uses as much as digits as its factorization.

10122010331221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151074781130.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 10122010331221 its reverse (12213301022101), we get a palindrome (22335311353322).

The spelling of 10122010331221 in words is "ten trillion, one hundred twenty-two billion, ten million, three hundred thirty-one thousand, two hundred twenty-one".