2201002012121 has 16 divisors (see below), whose sum is σ = 2433499528320. Its totient is φ = 1974035719680.

The previous prime is 2201002012067. The next prime is 2201002012123. The reversal of 2201002012121 is 1212102001022.

2201002012121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 2201002012121 - 2⁶ = 2201002012057 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2201002012096 and 2201002012105.

It is not an unprimeable number, because it can be changed into a prime (2201002012123) 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, 2915381 + ... + 3591858.

It is an arithmetic number, because the mean of its divisors is an integer number (152093720520).

Almost surely, 2^{2201002012121} is an apocalyptic number.

It is an amenable number.

2201002012121 is a deficient number, since it is larger than the sum of its proper divisors (232497516199).

2201002012121 is a wasteful number, since it uses less digits than its factorization.

2201002012121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6507664.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 2201002012121 its reverse (1212102001022), we get a palindrome (3413104013143).

The spelling of 2201002012121 in words is "two trillion, two hundred one billion, two million, twelve thousand, one hundred twenty-one".