1022211112011 has 16 divisors (see below), whose sum is σ = 1370378428416. Its totient is φ = 677769019136.

The previous prime is 1022211112009. The next prime is 1022211112019. The reversal of 1022211112011 is 1102111122201.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1022211112011 - 2¹ = 1022211112009 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1022211112019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 854535 + ... + 1665728.

It is an arithmetic number, because the mean of its divisors is an integer number (85648651776).

Almost surely, 2^{1022211112011} is an apocalyptic number.

1022211112011 is a deficient number, since it is larger than the sum of its proper divisors (348167316405).

1022211112011 is a wasteful number, since it uses less digits than its factorization.

1022211112011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2521002.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 1022211112011 its reverse (1102111122201), we get a palindrome (2124322234212).

The spelling of 1022211112011 in words is "one trillion, twenty-two billion, two hundred eleven million, one hundred twelve thousand, eleven".