1102020131 has 2 divisors, whose sum is σ = 1102020132. Its totient is φ = 1102020130.

The previous prime is 1102020109. The next prime is 1102020151. The reversal of 1102020131 is 1310202011.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1102020131 - 2⁶ = 1102020067 is a prime.

It is a super-2 number, since 2×1102020131² = 2428896738258514322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1102020151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 551010065 + 551010066.

It is an arithmetic number, because the mean of its divisors is an integer number (551010066).

Almost surely, 2^1102020131 is an apocalyptic number.

1102020131 is a deficient number, since it is larger than the sum of its proper divisors (1).

1102020131 is an equidigital number, since it uses as much as digits as its factorization.

1102020131 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12, while the sum is 11.

The square root of 1102020131 is about 33196.6885547339. The cubic root of 1102020131 is about 1032.9116505468.

Adding to 1102020131 its reverse (1310202011), we get a palindrome (2412222142).

The spelling of 1102020131 in words is "one billion, one hundred two million, twenty thousand, one hundred thirty-one".