2122221010231 has 4 divisors (see below), whose sum is σ = 2425395440272. Its totient is φ = 1819046580192.

The previous prime is 2122221010193. The next prime is 2122221010249. The reversal of 2122221010231 is 1320101222212.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2122221010231 - 2¹³ = 2122221002039 is a prime.

It is a super-2 number, since 2×2122221010231² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2122221010199 and 2122221010208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2122221011231) 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, 151587215010 + ... + 151587215023.

It is an arithmetic number, because the mean of its divisors is an integer number (606348860068).

Almost surely, 2^{2122221010231} is an apocalyptic number.

2122221010231 is a deficient number, since it is larger than the sum of its proper divisors (303174430041).

2122221010231 is an equidigital number, since it uses as much as digits as its factorization.

2122221010231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 303174430040.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 2122221010231 its reverse (1320101222212), we get a palindrome (3442322232443).

The spelling of 2122221010231 in words is "two trillion, one hundred twenty-two billion, two hundred twenty-one million, ten thousand, two hundred thirty-one".