201000100211121 has 16 divisors (see below), whose sum is σ = 268612141664384. Its totient is φ = 133694410322304.

The previous prime is 201000100211059. The next prime is 201000100211143. The reversal of 201000100211121 is 121112001000102.

It is a de Polignac number, because none of the positive numbers 2^k-201000100211121 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 201000100211097 and 201000100211106.

It is not an unprimeable number, because it can be changed into a prime (201000100210121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41128126 + ... + 45755031.

It is an arithmetic number, because the mean of its divisors is an integer number (16788258854024).

Almost surely, 2^{201000100211121} is an apocalyptic number.

It is an amenable number.

201000100211121 is a deficient number, since it is larger than the sum of its proper divisors (67612041453263).

201000100211121 is an equidigital number, since it uses as much as digits as its factorization.

201000100211121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86884920.

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

Adding to 201000100211121 its reverse (121112001000102), we get a palindrome (322112101211223).

The spelling of 201000100211121 in words is "two hundred one trillion, one hundred million, two hundred eleven thousand, one hundred twenty-one".