1012020111110 has 8 divisors (see below), whose sum is σ = 1821636200016. Its totient is φ = 404808044440.

The previous prime is 1012020111043. The next prime is 1012020111127. The reversal of 1012020111110 is 111110202101.

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

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1012020111091 and 1012020111100.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50601005546 + ... + 50601005565.

It is an arithmetic number, because the mean of its divisors is an integer number (227704525002).

Almost surely, 2^{1012020111110} is an apocalyptic number.

1012020111110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1012020111110 is a deficient number, since it is larger than the sum of its proper divisors (809616088906).

1012020111110 is a wasteful number, since it uses less digits than its factorization.

1012020111110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101202011118.

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 1012020111110 its reverse (111110202101), we get a palindrome (1123130313211).

Subtracting from 1012020111110 its reverse (111110202101), we obtain a palindrome (900909909009).

The spelling of 1012020111110 in words is "one trillion, twelve billion, twenty million, one hundred eleven thousand, one hundred ten".