201001011001121 has 16 divisors (see below), whose sum is σ = 205574768640000. Its totient is φ = 196439839045968.

The previous prime is 201001011001079. The next prime is 201001011001127. The reversal of 201001011001121 is 121100110100102.

It is a cyclic number.

It is not a de Polignac number, because 201001011001121 - 2³⁸ = 200726133094177 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (201001011001127) 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, 89279360 + ... + 91503038.

It is an arithmetic number, because the mean of its divisors is an integer number (12848423040000).

Almost surely, 2^{201001011001121} is an apocalyptic number.

It is an amenable number.

201001011001121 is a deficient number, since it is larger than the sum of its proper divisors (4573757638879).

201001011001121 is a wasteful number, since it uses less digits than its factorization.

201001011001121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2226508.

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 201001011001121 its reverse (121100110100102), we get a palindrome (322101121101223).

The spelling of 201001011001121 in words is "two hundred one trillion, one billion, eleven million, one thousand, one hundred twenty-one".