2100102100001 has 8 divisors (see below), whose sum is σ = 2127759409440. Its totient is φ = 2072535027552.

The previous prime is 2100102099971. The next prime is 2100102100009. The reversal of 2100102100001 is 1000012010012.

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 2100102100001 - 2¹⁰ = 2100102098977 is a prime.

It is a super-2 number, since 2×2100102100001² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2100102100009) 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, 22512395 + ... + 22605488.

It is an arithmetic number, because the mean of its divisors is an integer number (265969926180).

Almost surely, 2^{2100102100001} is an apocalyptic number.

It is an amenable number.

2100102100001 is a deficient number, since it is larger than the sum of its proper divisors (27657309439).

2100102100001 is an equidigital number, since it uses as much as digits as its factorization.

2100102100001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45118495.

The product of its (nonzero) digits is 4, while the sum is 8.

Adding to 2100102100001 its reverse (1000012010012), we get a palindrome (3100114110013).

The spelling of 2100102100001 in words is "two trillion, one hundred billion, one hundred two million, one hundred thousand, one".