1020112012011 has 16 divisors (see below), whose sum is σ = 1362331305216. Its totient is φ = 678984171936.

The previous prime is 1020112012001. The next prime is 1020112012061. The reversal of 1020112012011 is 1102102110201.

1020112012011 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a de Polignac number, because none of the positive numbers 2^k-1020112012011 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1020112012001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8887956 + ... + 9001998.

It is an arithmetic number, because the mean of its divisors is an integer number (85145706576).

Almost surely, 2^{1020112012011} is an apocalyptic number.

1020112012011 is a deficient number, since it is larger than the sum of its proper divisors (342219293205).

1020112012011 is a wasteful number, since it uses less digits than its factorization.

1020112012011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118802.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 1020112012011 its reverse (1102102110201), we get a palindrome (2122214122212).

The spelling of 1020112012011 in words is "one trillion, twenty billion, one hundred twelve million, twelve thousand, eleven".