11942101 has 2 divisors, whose sum is σ = 11942102. Its totient is φ = 11942100.

The previous prime is 11942093. The next prime is 11942141. The reversal of 11942101 is 10124911.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11902500 + 39601 = 3450^2 + 199^2 .

It is a cyclic number.

It is not a de Polignac number, because 11942101 - 2³ = 11942093 is a prime.

It is a super-2 number, since 2×11942101² = 285227552588402, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11942141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5971050 + 5971051.

It is an arithmetic number, because the mean of its divisors is an integer number (5971051).

Almost surely, 2^11942101 is an apocalyptic number.

It is an amenable number.

11942101 is a deficient number, since it is larger than the sum of its proper divisors (1).

11942101 is an equidigital number, since it uses as much as digits as its factorization.

11942101 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72, while the sum is 19.

The square root of 11942101 is about 3455.7345094784. The cubic root of 11942101 is about 228.5740446687.

The spelling of 11942101 in words is "eleven million, nine hundred forty-two thousand, one hundred one".