2221234611131 has 2 divisors, whose sum is σ = 2221234611132. Its totient is φ = 2221234611130.

The previous prime is 2221234611107. The next prime is 2221234611137. The reversal of 2221234611131 is 1311164321222.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2221234611131 - 2²² = 2221230416827 is a prime.

It is a super-2 number, since 2×2221234611131² (a number of 25 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 2221234611094 and 2221234611103.

It is not a weakly prime, because it can be changed into another prime (2221234611137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1110617305565 + 1110617305566.

It is an arithmetic number, because the mean of its divisors is an integer number (1110617305566).

Almost surely, 2^{2221234611131} is an apocalyptic number.

2221234611131 is a deficient number, since it is larger than the sum of its proper divisors (1).

2221234611131 is an equidigital number, since it uses as much as digits as its factorization.

2221234611131 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3456, while the sum is 29.

Adding to 2221234611131 its reverse (1311164321222), we get a palindrome (3532398932353).

The spelling of 2221234611131 in words is "two trillion, two hundred twenty-one billion, two hundred thirty-four million, six hundred eleven thousand, one hundred thirty-one".