101021113 has 4 divisors (see below), whose sum is σ = 101350480. Its totient is φ = 100691748.

The previous prime is 101021099. The next prime is 101021117. The reversal of 101021113 is 311120101.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-101021113 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 101021113.

It is not an unprimeable number, because it can be changed into a prime (101021117) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 164223 + ... + 164836.

It is an arithmetic number, because the mean of its divisors is an integer number (25337620).

Almost surely, 2^101021113 is an apocalyptic number.

It is an amenable number.

101021113 is a deficient number, since it is larger than the sum of its proper divisors (329367).

101021113 is an equidigital number, since it uses as much as digits as its factorization.

101021113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 329366.

The product of its (nonzero) digits is 6, while the sum is 10.

The square root of 101021113 is about 10050.9259772421. The cubic root of 101021113 is about 465.7333985003.

Adding to 101021113 its reverse (311120101), we get a palindrome (412141214).

The spelling of 101021113 in words is "one hundred one million, twenty-one thousand, one hundred thirteen".