22120030131311 has 16 divisors (see below), whose sum is σ = 25605667875840. Its totient is φ = 18715906366560.

The previous prime is 22120030131307. The next prime is 22120030131319. The reversal of 22120030131311 is 11313103002122.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 22120030131311 - 2² = 22120030131307 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 (22120030131319) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1884020 + ... + 6913001.

It is an arithmetic number, because the mean of its divisors is an integer number (1600354242240).

Almost surely, 2^{22120030131311} is an apocalyptic number.

22120030131311 is a deficient number, since it is larger than the sum of its proper divisors (3485637744529).

22120030131311 is an equidigital number, since it uses as much as digits as its factorization.

22120030131311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8801654.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 22120030131311 its reverse (11313103002122), we get a palindrome (33433133133433).

The spelling of 22120030131311 in words is "twenty-two trillion, one hundred twenty billion, thirty million, one hundred thirty-one thousand, three hundred eleven".