1012111210111 has 8 divisors (see below), whose sum is σ = 1053793521648. Its totient is φ = 971238264000.

The previous prime is 1012111210087. The next prime is 1012111210183. The reversal of 1012111210111 is 1110121112101.

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 1012111210111 - 2⁵ = 1012111210079 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1012111210091 and 1012111210100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1012111210711) 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, 202338805 + ... + 202343806.

It is an arithmetic number, because the mean of its divisors is an integer number (131724190206).

Almost surely, 2^{1012111210111} is an apocalyptic number.

1012111210111 is a deficient number, since it is larger than the sum of its proper divisors (41682311537).

1012111210111 is an equidigital number, since it uses as much as digits as its factorization.

1012111210111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 404682713.

The product of its (nonzero) digits is 4, while the sum is 13.

Adding to 1012111210111 its reverse (1110121112101), we get a palindrome (2122232322212).

It can be divided in two parts, 10121112101 and 11, that multiplied together give a palindrome (111332233111).

The spelling of 1012111210111 in words is "one trillion, twelve billion, one hundred eleven million, two hundred ten thousand, one hundred eleven".