201200010121101 has 4 divisors (see below), whose sum is σ = 268266680161472. Its totient is φ = 134133340080732.

The previous prime is 201200010121093. The next prime is 201200010121109. The reversal of 201200010121101 is 101121010002102.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (201200010121093) and next prime (201200010121109).

It is not a de Polignac number, because 201200010121101 - 2³ = 201200010121093 is a prime.

It is a super-2 number, since 2×201200010121101² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201200010121109) 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, 33533335020181 + ... + 33533335020186.

It is an arithmetic number, because the mean of its divisors is an integer number (67066670040368).

Almost surely, 2^{201200010121101} is an apocalyptic number.

It is an amenable number.

201200010121101 is a deficient number, since it is larger than the sum of its proper divisors (67066670040371).

201200010121101 is an equidigital number, since it uses as much as digits as its factorization.

201200010121101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67066670040370.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 201200010121101 its reverse (101121010002102), we get a palindrome (302321020123203).

The spelling of 201200010121101 in words is "two hundred one trillion, two hundred billion, ten million, one hundred twenty-one thousand, one hundred one".