2201001201121 has 4 divisors (see below), whose sum is σ = 2201159800000. Its totient is φ = 2200842602244.

The previous prime is 2201001201109. The next prime is 2201001201127. The reversal of 2201001201121 is 1211021001022.

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-2201001201121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2201001201127) 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, 79278621 + ... + 79306378.

It is an arithmetic number, because the mean of its divisors is an integer number (550289950000).

Almost surely, 2^{2201001201121} is an apocalyptic number.

It is an amenable number.

2201001201121 is a deficient number, since it is larger than the sum of its proper divisors (158598879).

2201001201121 is a wasteful number, since it uses less digits than its factorization.

2201001201121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158598878.

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

Adding to 2201001201121 its reverse (1211021001022), we get a palindrome (3412022202143).

The spelling of 2201001201121 in words is "two trillion, two hundred one billion, one million, two hundred one thousand, one hundred twenty-one".