20220212211131 has 2 divisors, whose sum is σ = 20220212211132. Its totient is φ = 20220212211130.

The previous prime is 20220212211113. The next prime is 20220212211139. The reversal of 20220212211131 is 13111221202202.

Together with previous prime (20220212211113) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20220212211131 is a prime.

It is a super-2 number, since 2×20220212211131² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (20220212211139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10110106105565 + 10110106105566.

It is an arithmetic number, because the mean of its divisors is an integer number (10110106105566).

Almost surely, 2^{20220212211131} is an apocalyptic number.

20220212211131 is a deficient number, since it is larger than the sum of its proper divisors (1).

20220212211131 is an equidigital number, since it uses as much as digits as its factorization.

20220212211131 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 192, while the sum is 20.

Adding to 20220212211131 its reverse (13111221202202), we get a palindrome (33331433413333).

The spelling of 20220212211131 in words is "twenty trillion, two hundred twenty billion, two hundred twelve million, two hundred eleven thousand, one hundred thirty-one".