1201002110101 has 4 divisors (see below), whose sum is σ = 1212893220204. Its totient is φ = 1189111000000.

The previous prime is 1201002110057. The next prime is 1201002110153. The reversal of 1201002110101 is 1010112001021.

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

It can be written as a sum of positive squares in 2 ways, for example, as 558680007601 + 642322102500 = 747449^2 + 801450^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1201002110101 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 (1201002114101) 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, 5945554900 + ... + 5945555101.

It is an arithmetic number, because the mean of its divisors is an integer number (303223305051).

Almost surely, 2^{1201002110101} is an apocalyptic number.

It is an amenable number.

1201002110101 is a deficient number, since it is larger than the sum of its proper divisors (11891110103).

1201002110101 is a wasteful number, since it uses less digits than its factorization.

1201002110101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11891110102.

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 1201002110101 its reverse (1010112001021), we get a palindrome (2211114111122).

The spelling of 1201002110101 in words is "one trillion, two hundred one billion, two million, one hundred ten thousand, one hundred one".