1010122112011 has 4 divisors (see below), whose sum is σ = 1025198561512. Its totient is φ = 995045662512.

The previous prime is 1010122111987. The next prime is 1010122112059. The reversal of 1010122112011 is 1102112210101.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1010122112011 - 2⁵ = 1010122111979 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1010122111982 and 1010122112000.

It is not an unprimeable number, because it can be changed into a prime (1010122172011) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 7538224650 + ... + 7538224783.

It is an arithmetic number, because the mean of its divisors is an integer number (256299640378).

Almost surely, 2^{1010122112011} is an apocalyptic number.

1010122112011 is a deficient number, since it is larger than the sum of its proper divisors (15076449501).

1010122112011 is an equidigital number, since it uses as much as digits as its factorization.

1010122112011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15076449500.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 1010122112011 its reverse (1102112210101), we get a palindrome (2112234322112).

The spelling of 1010122112011 in words is "one trillion, ten billion, one hundred twenty-two million, one hundred twelve thousand, eleven".