120200021010001 has 4 divisors (see below), whose sum is σ = 122467945934772. Its totient is φ = 117932096085232.

The previous prime is 120200021009897. The next prime is 120200021010067. The reversal of 120200021010001 is 100010120002021.

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 81686329726401 + 38513691283600 = 9038049^2 + 6205940^2 .

It is a cyclic number.

It is not a de Polignac number, because 120200021010001 - 2⁴⁵ = 85015648921169 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 120200021010001.

It is not an unprimeable number, because it can be changed into a prime (120200021010071) 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, 1133962462306 + ... + 1133962462411.

It is an arithmetic number, because the mean of its divisors is an integer number (30616986483693).

Almost surely, 2^{120200021010001} is an apocalyptic number.

It is an amenable number.

120200021010001 is a deficient number, since it is larger than the sum of its proper divisors (2267924924771).

120200021010001 is an equidigital number, since it uses as much as digits as its factorization.

120200021010001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2267924924770.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 120200021010001 its reverse (100010120002021), we get a palindrome (220210141012022).

The spelling of 120200021010001 in words is "one hundred twenty trillion, two hundred billion, twenty-one million, ten thousand, one".