101121299 has 4 divisors (see below), whose sum is σ = 103272864. Its totient is φ = 98969736.

The previous prime is 101121281. The next prime is 101121311. The reversal of 101121299 is 992121101.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-101121299 is a prime.

It is a super-2 number, since 2×101121299² = 20451034222894802, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (101121269) 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, 1075712 + ... + 1075805.

It is an arithmetic number, because the mean of its divisors is an integer number (25818216).

Almost surely, 2^101121299 is an apocalyptic number.

101121299 is a deficient number, since it is larger than the sum of its proper divisors (2151565).

101121299 is an equidigital number, since it uses as much as digits as its factorization.

101121299 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2151564.

The product of its (nonzero) digits is 324, while the sum is 26.

The square root of 101121299 is about 10055.9086610808. The cubic root of 101121299 is about 465.8873087362.

It can be divided in two parts, 10112 and 1299, that added together give a palindrome (11411).

The spelling of 101121299 in words is "one hundred one million, one hundred twenty-one thousand, two hundred ninety-nine".