10131222202221 has 8 divisors (see below), whose sum is σ = 13508841475744. Its totient is φ = 6753875531760.

The previous prime is 10131222202147. The next prime is 10131222202243. The reversal of 10131222202221 is 12220222213101.

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

It is not a de Polignac number, because 10131222202221 - 2²⁹ = 10130685331309 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 (10131222202121) 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, 68064031 + ... + 68212716.

It is an arithmetic number, because the mean of its divisors is an integer number (1688605184468).

Almost surely, 2^{10131222202221} is an apocalyptic number.

It is an amenable number.

10131222202221 is a deficient number, since it is larger than the sum of its proper divisors (3377619273523).

10131222202221 is a wasteful number, since it uses less digits than its factorization.

10131222202221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136301531.

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 10131222202221 its reverse (12220222213101), we get a palindrome (22351444415322).

The spelling of 10131222202221 in words is "ten trillion, one hundred thirty-one billion, two hundred twenty-two million, two hundred two thousand, two hundred twenty-one".