1011000022211 has 4 divisors (see below), whose sum is σ = 1011717553800. Its totient is φ = 1010282490624.

The previous prime is 1011000022187. The next prime is 1011000022217. The reversal of 1011000022211 is 1122200001101.

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 1011000022211 - 2³⁰ = 1009926280387 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1011000022192 and 1011000022201.

It is not an unprimeable number, because it can be changed into a prime (1011000022217) 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, 358763681 + ... + 358766498.

It is an arithmetic number, because the mean of its divisors is an integer number (252929388450).

Almost surely, 2^{1011000022211} is an apocalyptic number.

1011000022211 is a deficient number, since it is larger than the sum of its proper divisors (717531589).

1011000022211 is an equidigital number, since it uses as much as digits as its factorization.

1011000022211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 717531588.

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

Adding to 1011000022211 its reverse (1122200001101), we get a palindrome (2133200023312).

The spelling of 1011000022211 in words is "one trillion, eleven billion, twenty-two thousand, two hundred eleven".