101211112002001 has 4 divisors (see below), whose sum is σ = 101334090267712. Its totient is φ = 101088133736292.

The previous prime is 101211112001953. The next prime is 101211112002023. The reversal of 101211112002001 is 100200211112101.

It is a happy number.

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 101211112002001 - 2⁷ = 101211112001873 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (101211112012001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 61489131621 + ... + 61489133266.

It is an arithmetic number, because the mean of its divisors is an integer number (25333522566928).

Almost surely, 2^{101211112002001} is an apocalyptic number.

It is an amenable number.

101211112002001 is a deficient number, since it is larger than the sum of its proper divisors (122978265711).

101211112002001 is an equidigital number, since it uses as much as digits as its factorization.

101211112002001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122978265710.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 101211112002001 its reverse (100200211112101), we get a palindrome (201411323114102).

The spelling of 101211112002001 in words is "one hundred one trillion, two hundred eleven billion, one hundred twelve million, two thousand, one".