20222223021131 has 2 divisors, whose sum is σ = 20222223021132. Its totient is φ = 20222223021130.

The previous prime is 20222223021047. The next prime is 20222223021137. The reversal of 20222223021131 is 13112032222202.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20222223021131 is a prime.

It is a super-2 number, since 2×20222223021131² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20222223021097 and 20222223021106.

It is not a weakly prime, because it can be changed into another prime (20222223021137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10111111510565 + 10111111510566.

It is an arithmetic number, because the mean of its divisors is an integer number (10111111510566).

Almost surely, 2^{20222223021131} is an apocalyptic number.

20222223021131 is a deficient number, since it is larger than the sum of its proper divisors (1).

20222223021131 is an equidigital number, since it uses as much as digits as its factorization.

20222223021131 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 20222223021131 its reverse (13112032222202), we get a palindrome (33334255243333).

The spelling of 20222223021131 in words is "twenty trillion, two hundred twenty-two billion, two hundred twenty-three million, twenty-one thousand, one hundred thirty-one".