201102000012121 has 4 divisors (see below), whose sum is σ = 216571384628452. Its totient is φ = 185632615395792.

The previous prime is 201102000011971. The next prime is 201102000012167. The reversal of 201102000012121 is 121210000201102.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 9353590356496 + 191748409655625 = 3058364^2 + 13847325^2 .

It is a cyclic number.

It is not a de Polignac number, because 201102000012121 - 2²⁹ = 201101463141209 is a prime.

It is a super-2 number, since 2×201102000012121² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (13), and also a Moran number because the ratio is a prime number: 15469384616317 = 201102000012121 / (2 + 0 + 1 + 1 + 0 + 2 + 0 + 0 + 0 + 0 + 1 + 2 + 1 + 2 + 1).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (201102000012191) 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, 7734692308146 + ... + 7734692308171.

It is an arithmetic number, because the mean of its divisors is an integer number (54142846157113).

Almost surely, 2^{201102000012121} is an apocalyptic number.

It is an amenable number.

201102000012121 is a deficient number, since it is larger than the sum of its proper divisors (15469384616331).

201102000012121 is a wasteful number, since it uses less digits than its factorization.

201102000012121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15469384616330.

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

Adding to 201102000012121 its reverse (121210000201102), we get a palindrome (322312000213223).

The spelling of 201102000012121 in words is "two hundred one trillion, one hundred two billion, twelve thousand, one hundred twenty-one".