1011012012111 has 8 divisors (see below), whose sum is σ = 1348057485360. Its totient is φ = 673987273472.

The previous prime is 1011012012079. The next prime is 1011012012151. The reversal of 1011012012111 is 1112102101101.

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 1011012012111 - 2⁵ = 1011012012079 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1011012012151) 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, 5069520 + ... + 5265173.

It is an arithmetic number, because the mean of its divisors is an integer number (168507185670).

Almost surely, 2^{1011012012111} is an apocalyptic number.

1011012012111 is a deficient number, since it is larger than the sum of its proper divisors (337045473249).

1011012012111 is a wasteful number, since it uses less digits than its factorization.

1011012012111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10367305.

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

Adding to 1011012012111 its reverse (1112102101101), we get a palindrome (2123114113212).

The spelling of 1011012012111 in words is "one trillion, eleven billion, twelve million, twelve thousand, one hundred eleven".