1020012111110 has 16 divisors (see below), whose sum is σ = 1836049399632. Its totient is φ = 407998711200.

The previous prime is 1020012111101. The next prime is 1020012111197. The reversal of 1020012111110 is 111112100201.

It is a super-2 number, since 2×1020012111110² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1020012111091 and 1020012111100.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34901 + ... + 1428720.

It is an arithmetic number, because the mean of its divisors is an integer number (114753087477).

Almost surely, 2^{1020012111110} is an apocalyptic number.

1020012111110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1020012111110 is a deficient number, since it is larger than the sum of its proper divisors (816037288522).

1020012111110 is a wasteful number, since it uses less digits than its factorization.

1020012111110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1533319.

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

Adding to 1020012111110 its reverse (111112100201), we get a palindrome (1131124211311).

The spelling of 1020012111110 in words is "one trillion, twenty billion, twelve million, one hundred eleven thousand, one hundred ten".