2201021121201 has 64 divisors (see below), whose sum is σ = 3516134178816. Its totient is φ = 1197420840000.

The previous prime is 2201021121191. The next prime is 2201021121217. The reversal of 2201021121201 is 1021211201022.

It is not a de Polignac number, because 2201021121201 - 2²⁷ = 2200886903473 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2201021121001) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 202089966 + ... + 202100856.

It is an arithmetic number, because the mean of its divisors is an integer number (54939596544).

Almost surely, 2^{2201021121201} is an apocalyptic number.

2201021121201 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

2201021121201 is a deficient number, since it is larger than the sum of its proper divisors (1315113057615).

2201021121201 is a wasteful number, since it uses less digits than its factorization.

2201021121201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12842.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 2201021121201 its reverse (1021211201022), we get a palindrome (3222232322223).

The spelling of 2201021121201 in words is "two trillion, two hundred one billion, twenty-one million, one hundred twenty-one thousand, two hundred one".