201000101120121 has 4 divisors (see below), whose sum is σ = 268000134826832. Its totient is φ = 134000067413412.

The previous prime is 201000101120069. The next prime is 201000101120129. The reversal of 201000101120121 is 121021101000102.

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 not a de Polignac number, because 201000101120121 - 2⁴² = 196602054609017 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 201000101120097 and 201000101120106.

It is not an unprimeable number, because it can be changed into a prime (201000101120129) 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, 33500016853351 + ... + 33500016853356.

It is an arithmetic number, because the mean of its divisors is an integer number (67000033706708).

Almost surely, 2^{201000101120121} is an apocalyptic number.

It is an amenable number.

201000101120121 is a deficient number, since it is larger than the sum of its proper divisors (67000033706711).

201000101120121 is an equidigital number, since it uses as much as digits as its factorization.

201000101120121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67000033706710.

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

Adding to 201000101120121 its reverse (121021101000102), we get a palindrome (322021202120223).

The spelling of 201000101120121 in words is "two hundred one trillion, one hundred one million, one hundred twenty thousand, one hundred twenty-one".