1010001222011 has 4 divisors (see below), whose sum is σ = 1042581906624. Its totient is φ = 977420537400.

The previous prime is 1010001221989. The next prime is 1010001222017. The reversal of 1010001222011 is 1102221000101.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1010001222011 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1010001221983 and 1010001222001.

It is not an unprimeable number, because it can be changed into a prime (1010001222017) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16290342260 + ... + 16290342321.

It is an arithmetic number, because the mean of its divisors is an integer number (260645476656).

Almost surely, 2^{1010001222011} is an apocalyptic number.

1010001222011 is a deficient number, since it is larger than the sum of its proper divisors (32580684613).

1010001222011 is an equidigital number, since it uses as much as digits as its factorization.

1010001222011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32580684612.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 1010001222011 its reverse (1102221000101), we get a palindrome (2112222222112).

The spelling of 1010001222011 in words is "one trillion, ten billion, one million, two hundred twenty-two thousand, eleven".