2120200200101 has 4 divisors (see below), whose sum is σ = 2126605639104. Its totient is φ = 2113794761100.

The previous prime is 2120200200091. The next prime is 2120200200103. The reversal of 2120200200101 is 1010020020212.

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 a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2120200200101 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 (2120200200103) 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, 3202719005 + ... + 3202719666.

It is an arithmetic number, because the mean of its divisors is an integer number (531651409776).

Almost surely, 2^{2120200200101} is an apocalyptic number.

It is an amenable number.

2120200200101 is a deficient number, since it is larger than the sum of its proper divisors (6405439003).

2120200200101 is an equidigital number, since it uses as much as digits as its factorization.

2120200200101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6405439002.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 2120200200101 its reverse (1010020020212), we get a palindrome (3130220220313).

The spelling of 2120200200101 in words is "two trillion, one hundred twenty billion, two hundred million, two hundred thousand, one hundred one".