2100111202001 has 8 divisors (see below), whose sum is σ = 2112407404800. Its totient is φ = 2087844242400.

The previous prime is 2100111201989. The next prime is 2100111202009. The reversal of 2100111202001 is 1002021110012.

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 2100111202001 - 2²² = 2100107007697 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2100111202009) 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, 7166741 + ... + 7454018.

It is an arithmetic number, because the mean of its divisors is an integer number (264050925600).

Almost surely, 2^{2100111202001} is an apocalyptic number.

It is an amenable number.

2100111202001 is a deficient number, since it is larger than the sum of its proper divisors (12296202799).

2100111202001 is a wasteful number, since it uses less digits than its factorization.

2100111202001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14621599.

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

Adding to 2100111202001 its reverse (1002021110012), we get a palindrome (3102132312013).

The spelling of 2100111202001 in words is "two trillion, one hundred billion, one hundred eleven million, two hundred two thousand, one".