101120002001 has 4 divisors (see below), whose sum is σ = 102833900400. Its totient is φ = 99406103604.

The previous prime is 101120001977. The next prime is 101120002003. The reversal of 101120002001 is 100200021101.

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 not a de Polignac number, because 101120002001 - 2¹⁸ = 101119739857 is a prime.

It is a super-3 number, since 3×101120002001³ (a number of 34 digits) contains 333 as substring.

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 101120002001.

It is not an unprimeable number, because it can be changed into a prime (101120002003) 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, 856949111 + ... + 856949228.

It is an arithmetic number, because the mean of its divisors is an integer number (25708475100).

Almost surely, 2^101120002001 is an apocalyptic number.

It is an amenable number.

101120002001 is a deficient number, since it is larger than the sum of its proper divisors (1713898399).

101120002001 is an equidigital number, since it uses as much as digits as its factorization.

101120002001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1713898398.

The product of its (nonzero) digits is 4, while the sum is 8.

Adding to 101120002001 its reverse (100200021101), we get a palindrome (201320023102).

The spelling of 101120002001 in words is "one hundred one billion, one hundred twenty million, two thousand, one".