101200240002021 has 16 divisors (see below), whose sum is σ = 144442804646400. Its totient is φ = 62832620017008.

The previous prime is 101200240002019. The next prime is 101200240002061. The reversal of 101200240002021 is 120200042002101.

It is not a de Polignac number, because 101200240002021 - 2¹ = 101200240002019 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101200240002061) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15046122121 + ... + 15046128846.

It is an arithmetic number, because the mean of its divisors is an integer number (9027675290400).

Almost surely, 2^{101200240002021} is an apocalyptic number.

It is an amenable number.

101200240002021 is a deficient number, since it is larger than the sum of its proper divisors (43242564644379).

101200240002021 is a wasteful number, since it uses less digits than its factorization.

101200240002021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30092251048.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 101200240002021 its reverse (120200042002101), we get a palindrome (221400282004122).

The spelling of 101200240002021 in words is "one hundred one trillion, two hundred billion, two hundred forty million, two thousand, twenty-one".