2202102121231 has 4 divisors (see below), whose sum is σ = 2243651217912. Its totient is φ = 2160553024552.

The previous prime is 2202102121223. The next prime is 2202102121243. The reversal of 2202102121231 is 1321212012022.

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 2202102121231 - 2³ = 2202102121223 is a prime.

It is a super-2 number, since 2×2202102121231² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2202102121199 and 2202102121208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2202102121631) 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, 20774548261 + ... + 20774548366.

It is an arithmetic number, because the mean of its divisors is an integer number (560912804478).

Almost surely, 2^{2202102121231} is an apocalyptic number.

2202102121231 is a deficient number, since it is larger than the sum of its proper divisors (41549096681).

2202102121231 is an equidigital number, since it uses as much as digits as its factorization.

2202102121231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41549096680.

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

Adding to 2202102121231 its reverse (1321212012022), we get a palindrome (3523314133253).

The spelling of 2202102121231 in words is "two trillion, two hundred two billion, one hundred two million, one hundred twenty-one thousand, two hundred thirty-one".