2220201121231 has 2 divisors, whose sum is σ = 2220201121232. Its totient is φ = 2220201121230.

The previous prime is 2220201121207. The next prime is 2220201121247. The reversal of 2220201121231 is 1321211020222.

2220201121231 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2220201121231 - 2⁵ = 2220201121199 is a prime.

It is a super-2 number, since 2×2220201121231² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2220201121199 and 2220201121208.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2220201121531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1110100560615 + 1110100560616.

It is an arithmetic number, because the mean of its divisors is an integer number (1110100560616).

Almost surely, 2^{2220201121231} is an apocalyptic number.

2220201121231 is a deficient number, since it is larger than the sum of its proper divisors (1).

2220201121231 is an equidigital number, since it uses as much as digits as its factorization.

2220201121231 is an odious number, because the sum of its binary digits is odd.

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

Adding to 2220201121231 its reverse (1321211020222), we get a palindrome (3541412141453).

It can be divided in two parts, 2220201 and 121231, that added together give a palindrome (2341432).

The spelling of 2220201121231 in words is "two trillion, two hundred twenty billion, two hundred one million, one hundred twenty-one thousand, two hundred thirty-one".