2201012012121 has 32 divisors (see below), whose sum is σ = 3165965187840. Its totient is φ = 1352096928000.

The previous prime is 2201012012099. The next prime is 2201012012123. The reversal of 2201012012121 is 1212102101022.

It is not a de Polignac number, because 2201012012121 - 2²³ = 2201003623513 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2201012012121.

It is not an unprimeable number, because it can be changed into a prime (2201012012123) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 97288191 + ... + 97310811.

It is an arithmetic number, because the mean of its divisors is an integer number (98936412120).

Almost surely, 2^{2201012012121} is an apocalyptic number.

It is an amenable number.

2201012012121 is a deficient number, since it is larger than the sum of its proper divisors (964953175719).

2201012012121 is a wasteful number, since it uses less digits than its factorization.

2201012012121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26897.

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

Adding to 2201012012121 its reverse (1212102101022), we get a palindrome (3413114113143).

The spelling of 2201012012121 in words is "two trillion, two hundred one billion, twelve million, twelve thousand, one hundred twenty-one".