1011122211099 has 64 divisors (see below), whose sum is σ = 1859043271680. Its totient is φ = 471749598720.

The previous prime is 1011122211013. The next prime is 1011122211119. The reversal of 1011122211099 is 9901122211101.

It is not a de Polignac number, because 1011122211099 - 2³⁶ = 942402734363 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1011122211199) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 4438944 + ... + 4661165.

It is an arithmetic number, because the mean of its divisors is an integer number (29047551120).

Almost surely, 2^{1011122211099} is an apocalyptic number.

1011122211099 is a deficient number, since it is larger than the sum of its proper divisors (847921060581).

1011122211099 is a wasteful number, since it uses less digits than its factorization.

1011122211099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9100180.

The product of its (nonzero) digits is 648, while the sum is 30.

It can be divided in two parts, 1011122 and 211099, that added together give a palindrome (1222221).

The spelling of 1011122211099 in words is "one trillion, eleven billion, one hundred twenty-two million, two hundred eleven thousand, ninety-nine".