1202220021131 has 2 divisors, whose sum is σ = 1202220021132. Its totient is φ = 1202220021130.

The previous prime is 1202220021091. The next prime is 1202220021137. The reversal of 1202220021131 is 1311200222021.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1202220021131 - 2²⁶ = 1202152912267 is a prime.

It is a super-2 number, since 2×1202220021131² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1202220021137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 601110010565 + 601110010566.

It is an arithmetic number, because the mean of its divisors is an integer number (601110010566).

Almost surely, 2^{1202220021131} is an apocalyptic number.

1202220021131 is a deficient number, since it is larger than the sum of its proper divisors (1).

1202220021131 is an equidigital number, since it uses as much as digits as its factorization.

1202220021131 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 1202220021131 its reverse (1311200222021), we get a palindrome (2513420243152).

The spelling of 1202220021131 in words is "one trillion, two hundred two billion, two hundred twenty million, twenty-one thousand, one hundred thirty-one".