101021013001 has 4 divisors (see below), whose sum is σ = 101792165904. Its totient is φ = 100249860100.

The previous prime is 101021012977. The next prime is 101021013007. The reversal of 101021013001 is 100310120101.

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-101021013001 is a prime.

It is a super-2 number, since 2×101021013001² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (101021013007) 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, 385576255 + ... + 385576516.

It is an arithmetic number, because the mean of its divisors is an integer number (25448041476).

Almost surely, 2^101021013001 is an apocalyptic number.

It is an amenable number.

101021013001 is a deficient number, since it is larger than the sum of its proper divisors (771152903).

101021013001 is an equidigital number, since it uses as much as digits as its factorization.

101021013001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 771152902.

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

Adding to 101021013001 its reverse (100310120101), we get a palindrome (201331133102).

The spelling of 101021013001 in words is "one hundred one billion, twenty-one million, thirteen thousand, one".