201002101112101 has 4 divisors (see below), whose sum is σ = 201113090678304. Its totient is φ = 200891111545900.

The previous prime is 201002101112083. The next prime is 201002101112119. The reversal of 201002101112101 is 101211101200102.

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 an interprime number because it is at equal distance from previous prime (201002101112083) and next prime (201002101112119).

It is a cyclic number.

It is not a de Polignac number, because 201002101112101 - 2⁵ = 201002101112069 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201002101112171) 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, 55494780385 + ... + 55494784006.

It is an arithmetic number, because the mean of its divisors is an integer number (50278272669576).

Almost surely, 2^{201002101112101} is an apocalyptic number.

It is an amenable number.

201002101112101 is a deficient number, since it is larger than the sum of its proper divisors (110989566203).

201002101112101 is a wasteful number, since it uses less digits than its factorization.

201002101112101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110989566202.

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

Adding to 201002101112101 its reverse (101211101200102), we get a palindrome (302213202312203).

The spelling of 201002101112101 in words is "two hundred one trillion, two billion, one hundred one million, one hundred twelve thousand, one hundred one".