1012210011011 has 8 divisors (see below), whose sum is σ = 1033828778304. Its totient is φ = 990594676480.

The previous prime is 1012210010993. The next prime is 1012210011061. The reversal of 1012210011011 is 1101100122101.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1012210011011 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1012210010983 and 1012210011001.

It is not an unprimeable number, because it can be changed into a prime (1012210011061) 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, 257720 + ... + 1445973.

It is an arithmetic number, because the mean of its divisors is an integer number (129228597288).

Almost surely, 2^{1012210011011} is an apocalyptic number.

1012210011011 is a deficient number, since it is larger than the sum of its proper divisors (21618767293).

1012210011011 is a wasteful number, since it uses less digits than its factorization.

1012210011011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1716381.

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

Adding to 1012210011011 its reverse (1101100122101), we get a palindrome (2113310133112).

The spelling of 1012210011011 in words is "one trillion, twelve billion, two hundred ten million, eleven thousand, eleven".