2102021000111 has 8 divisors (see below), whose sum is σ = 2144123875584. Its totient is φ = 2060008572960.

The previous prime is 2102021000087. The next prime is 2102021000153. The reversal of 2102021000111 is 1110001202012.

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 2102021000111 - 2²² = 2102016805807 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2102021000092 and 2102021000101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2102021000311) 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, 22565135 + ... + 22658096.

It is an arithmetic number, because the mean of its divisors is an integer number (268015484448).

Almost surely, 2^{2102021000111} is an apocalyptic number.

2102021000111 is a deficient number, since it is larger than the sum of its proper divisors (42102875473).

2102021000111 is an equidigital number, since it uses as much as digits as its factorization.

2102021000111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45224161.

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

Adding to 2102021000111 its reverse (1110001202012), we get a palindrome (3212022202123).

The spelling of 2102021000111 in words is "two trillion, one hundred two billion, twenty-one million, one hundred eleven", and thus it is an aban number.