2102102111001 has 32 divisors (see below), whose sum is σ = 3019107081600. Its totient is φ = 1296123494400.

The previous prime is 2102102110987. The next prime is 2102102111023. The reversal of 2102102111001 is 1001112012012.

It is not a de Polignac number, because 2102102111001 - 2¹³ = 2102102102809 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2102102111071) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7961301 + ... + 8221101.

It is an arithmetic number, because the mean of its divisors is an integer number (94347096300).

Almost surely, 2^{2102102111001} is an apocalyptic number.

It is an amenable number.

2102102111001 is a deficient number, since it is larger than the sum of its proper divisors (917004970599).

2102102111001 is a wasteful number, since it uses less digits than its factorization.

2102102111001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 262569.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 2102102111001 its reverse (1001112012012), we get a palindrome (3103214123013).

The spelling of 2102102111001 in words is "two trillion, one hundred two billion, one hundred two million, one hundred eleven thousand, one".