1020111112101 has 8 divisors (see below), whose sum is σ = 1363060674144. Its totient is φ = 678617812400.

The previous prime is 1020111112093. The next prime is 1020111112157. The reversal of 1020111112101 is 1012111110201.

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 1020111112101 - 2³ = 1020111112093 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1020111112001) 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, 364063950 + ... + 364066751.

It is an arithmetic number, because the mean of its divisors is an integer number (170382584268).

Almost surely, 2^{1020111112101} is an apocalyptic number.

It is an amenable number.

1020111112101 is a deficient number, since it is larger than the sum of its proper divisors (342949562043).

1020111112101 is an equidigital number, since it uses as much as digits as its factorization.

1020111112101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 728131171.

The product of its (nonzero) digits is 4, while the sum is 12.

Adding to 1020111112101 its reverse (1012111110201), we get a palindrome (2032222222302).

The spelling of 1020111112101 in words is "one trillion, twenty billion, one hundred eleven million, one hundred twelve thousand, one hundred one".