2101121111201 has 8 divisors (see below), whose sum is σ = 2406535718400. Its totient is φ = 1797020116128.

The previous prime is 2101121111123. The next prime is 2101121111207. The reversal of 2101121111201 is 1021111211012.

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 2101121111201 - 2²² = 2101116916897 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2101121111207) 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, 328399601 + ... + 328405998.

It is an arithmetic number, because the mean of its divisors is an integer number (300816964800).

Almost surely, 2^{2101121111201} is an apocalyptic number.

It is an amenable number.

2101121111201 is a deficient number, since it is larger than the sum of its proper divisors (305414607199).

2101121111201 is an equidigital number, since it uses as much as digits as its factorization.

2101121111201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 656806063.

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 2101121111201 its reverse (1021111211012), we get a palindrome (3122232322213).

The spelling of 2101121111201 in words is "two trillion, one hundred one billion, one hundred twenty-one million, one hundred eleven thousand, two hundred one".