1012021100011 has 4 divisors (see below), whose sum is σ = 1013063347224. Its totient is φ = 1010978852800.

The previous prime is 1012021099967. The next prime is 1012021100023. The reversal of 1012021100011 is 1100011202101.

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 1012021100011 - 2⁷ = 1012021099883 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1012021100071) 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, 521122150 + ... + 521124091.

It is an arithmetic number, because the mean of its divisors is an integer number (253265836806).

Almost surely, 2^{1012021100011} is an apocalyptic number.

1012021100011 is a deficient number, since it is larger than the sum of its proper divisors (1042247213).

1012021100011 is an equidigital number, since it uses as much as digits as its factorization.

1012021100011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1042247212.

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 1012021100011 its reverse (1100011202101), we get a palindrome (2112032302112).

The spelling of 1012021100011 in words is "one trillion, twelve billion, twenty-one million, one hundred thousand, eleven".