101042291 has 16 divisors (see below), whose sum is σ = 118825728. Its totient is φ = 84132000.

The previous prime is 101042287. The next prime is 101042311. The reversal of 101042291 is 192240101.

It is a cyclic number.

It is not a de Polignac number, because 101042291 - 2² = 101042287 is a prime.

It is not an unprimeable number, because it can be changed into a prime (101042251) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34016 + ... + 36866.

It is an arithmetic number, because the mean of its divisors is an integer number (7426608).

Almost surely, 2^101042291 is an apocalyptic number.

101042291 is a deficient number, since it is larger than the sum of its proper divisors (17783437).

101042291 is an equidigital number, since it uses as much as digits as its factorization.

101042291 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3002.

The product of its (nonzero) digits is 144, while the sum is 20.

The square root of 101042291 is about 10051.9794568035. The cubic root of 101042291 is about 465.7659415746.

Adding to 101042291 its reverse (192240101), we get a palindrome (293282392).

The spelling of 101042291 in words is "one hundred one million, forty-two thousand, two hundred ninety-one".