1020001100111 has 8 divisors (see below), whose sum is σ = 1165768058784. Its totient is φ = 874247270400.

The previous prime is 1020001100099. The next prime is 1020001100179. The reversal of 1020001100111 is 1110011000201.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1020001100111 - 2⁶ = 1020001100047 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1020001160111) 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, 3115190 + ... + 3427011.

It is an arithmetic number, because the mean of its divisors is an integer number (145721007348).

Almost surely, 2^{1020001100111} is an apocalyptic number.

1020001100111 is a deficient number, since it is larger than the sum of its proper divisors (145766958673).

1020001100111 is an equidigital number, since it uses as much as digits as its factorization.

1020001100111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6564481.

The product of its (nonzero) digits is 2, while the sum is 8.

Adding to 1020001100111 its reverse (1110011000201), we get a palindrome (2130012100312).

The spelling of 1020001100111 in words is "one trillion, twenty billion, one million, one hundred thousand, one hundred eleven".