201002101121 has 8 divisors (see below), whose sum is σ = 201884042304. Its totient is φ = 200121493360.

The previous prime is 201002101109. The next prime is 201002101169. The reversal of 201002101121 is 121101200102.

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 201002101121 - 2²² = 200997906817 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (201002101021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30611 + ... + 634776.

It is an arithmetic number, because the mean of its divisors is an integer number (25235505288).

Almost surely, 2^201002101121 is an apocalyptic number.

It is an amenable number.

201002101121 is a deficient number, since it is larger than the sum of its proper divisors (881941183).

201002101121 is a wasteful number, since it uses less digits than its factorization.

201002101121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 666711.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 201002101121 its reverse (121101200102), we get a palindrome (322103301223).

The spelling of 201002101121 in words is "two hundred one billion, two million, one hundred one thousand, one hundred twenty-one".