201001011011121 has 8 divisors (see below), whose sum is σ = 268002491392224. Its totient is φ = 134000102318720.

The previous prime is 201001011011113. The next prime is 201001011011197. The reversal of 201001011011121 is 121110110100102.

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 201001011011121 - 2³ = 201001011011113 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 201001011011097 and 201001011011106.

It is not an unprimeable number, because it can be changed into a prime (201001011011921) 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, 142101120 + ... + 143508641.

It is an arithmetic number, because the mean of its divisors is an integer number (33500311424028).

Almost surely, 2^{201001011011121} is an apocalyptic number.

It is an amenable number.

201001011011121 is a deficient number, since it is larger than the sum of its proper divisors (67001480381103).

201001011011121 is a wasteful number, since it uses less digits than its factorization.

201001011011121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 285844351.

The product of its (nonzero) digits is 4, while the sum is 12.

Adding to 201001011011121 its reverse (121110110100102), we get a palindrome (322111121111223).

The spelling of 201001011011121 in words is "two hundred one trillion, one billion, eleven million, eleven thousand, one hundred twenty-one".