210101112001 has 16 divisors (see below), whose sum is σ = 230091744960. Its totient is φ = 190259686080.

The previous prime is 210101111993. The next prime is 210101112041. The reversal of 210101112001 is 100211101012.

It is a cyclic number.

It is not a de Polignac number, because 210101112001 - 2³ = 210101111993 is a prime.

It is not an unprimeable number, because it can be changed into a prime (210101112041) 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, 5617575 + ... + 5654851.

It is an arithmetic number, because the mean of its divisors is an integer number (14380734060).

Almost surely, 2^210101112001 is an apocalyptic number.

It is an amenable number.

210101112001 is a deficient number, since it is larger than the sum of its proper divisors (19990632959).

210101112001 is a wasteful number, since it uses less digits than its factorization.

210101112001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39264.

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 210101112001 its reverse (100211101012), we get a palindrome (310312213013).

The spelling of 210101112001 in words is "two hundred ten billion, one hundred one million, one hundred twelve thousand, one".