2201021211125 has 16 divisors (see below), whose sum is σ = 2996590334400. Its totient is φ = 1600742698000.

The previous prime is 2201021211097. The next prime is 2201021211127. The reversal of 2201021211125 is 5211121201022.

It is not a de Polignac number, because 2201021211125 - 2²⁶ = 2200954102261 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2201021211097 and 2201021211106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2201021211127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 800369975 + ... + 800372724.

It is an arithmetic number, because the mean of its divisors is an integer number (187286895900).

Almost surely, 2^{2201021211125} is an apocalyptic number.

2201021211125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2201021211125 is a deficient number, since it is larger than the sum of its proper divisors (795569123275).

2201021211125 is a wasteful number, since it uses less digits than its factorization.

2201021211125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1600742725 (or 1600742715 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 20.

Adding to 2201021211125 its reverse (5211121201022), we get a palindrome (7412142412147).

The spelling of 2201021211125 in words is "two trillion, two hundred one billion, twenty-one million, two hundred eleven thousand, one hundred twenty-five".