201200021121101 has 8 divisors (see below), whose sum is σ = 208353891819264. Its totient is φ = 194087622137760.

The previous prime is 201200021121097. The next prime is 201200021121107. The reversal of 201200021121101 is 101121120002102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 201200021121101 - 2² = 201200021121097 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201200021121107) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10367918831 + ... + 10367938236.

It is an arithmetic number, because the mean of its divisors is an integer number (26044236477408).

Almost surely, 2^{201200021121101} is an apocalyptic number.

It is an amenable number.

201200021121101 is a deficient number, since it is larger than the sum of its proper divisors (7153870698163).

201200021121101 is a wasteful number, since it uses less digits than its factorization.

201200021121101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20735857411.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 201200021121101 its reverse (101121120002102), we get a palindrome (302321141123203).

The spelling of 201200021121101 in words is "two hundred one trillion, two hundred billion, twenty-one million, one hundred twenty-one thousand, one hundred one".