2122242120201 has 16 divisors (see below), whose sum is σ = 3234208799744. Its totient is φ = 1212591266064.

The previous prime is 2122242120191. The next prime is 2122242120203. The reversal of 2122242120201 is 1020212422212.

It is not a de Polignac number, because 2122242120201 - 2⁶ = 2122242120137 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2122242120203) 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, 4717981 + ... + 5148186.

It is an arithmetic number, because the mean of its divisors is an integer number (202138049984).

Almost surely, 2^{2122242120201} is an apocalyptic number.

2122242120201 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

2122242120201 is a deficient number, since it is larger than the sum of its proper divisors (1111966679543).

2122242120201 is a wasteful number, since it uses less digits than its factorization.

2122242120201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9876420.

The product of its (nonzero) digits is 512, while the sum is 21.

Adding to 2122242120201 its reverse (1020212422212), we get a palindrome (3142454542413).

The spelling of 2122242120201 in words is "two trillion, one hundred twenty-two billion, two hundred forty-two million, one hundred twenty thousand, two hundred one".