101012020120201 has 4 divisors (see below), whose sum is σ = 101038456140804. Its totient is φ = 100985584099600.

The previous prime is 101012020120189. The next prime is 101012020120243. The reversal of 101012020120201 is 102021020210101.

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 68280474240000 + 32731545880201 = 8263200^2 + 5721149^2 .

It is a cyclic number.

It is not a de Polignac number, because 101012020120201 - 2⁷ = 101012020120073 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (101012020120301) 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, 13218004570 + ... + 13218012211.

It is an arithmetic number, because the mean of its divisors is an integer number (25259614035201).

Almost surely, 2^{101012020120201} is an apocalyptic number.

It is an amenable number.

101012020120201 is a deficient number, since it is larger than the sum of its proper divisors (26436020603).

101012020120201 is an equidigital number, since it uses as much as digits as its factorization.

101012020120201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26436020602.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 101012020120201 its reverse (102021020210101), we get a palindrome (203033040330302).

The spelling of 101012020120201 in words is "one hundred one trillion, twelve billion, twenty million, one hundred twenty thousand, two hundred one".