201120020102121 has 8 divisors (see below), whose sum is σ = 268242309732960. Its totient is φ = 134038871936352.

The previous prime is 201120020102117. The next prime is 201120020102137. The reversal of 201120020102121 is 121201020021102.

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

It is not a de Polignac number, because 201120020102121 - 2² = 201120020102117 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 201120020102121.

It is not an unprimeable number, because it can be changed into a prime (201120020100121) 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, 10285354860 + ... + 10285374413.

It is an arithmetic number, because the mean of its divisors is an integer number (33530288716620).

Almost surely, 2^{201120020102121} is an apocalyptic number.

It is an amenable number.

201120020102121 is a deficient number, since it is larger than the sum of its proper divisors (67122289630839).

201120020102121 is a wasteful number, since it uses less digits than its factorization.

201120020102121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20570732535.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 201120020102121 its reverse (121201020021102), we get a palindrome (322321040123223).

The spelling of 201120020102121 in words is "two hundred one trillion, one hundred twenty billion, twenty million, one hundred two thousand, one hundred twenty-one".