1122201111011 has 16 divisors (see below), whose sum is σ = 1189785542400. Its totient is φ = 1055496060000.

The previous prime is 1122201110981. The next prime is 1122201111023. The reversal of 1122201111011 is 1101111022211.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1122201111011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1122201111061) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1104845 + ... + 1861473.

It is an arithmetic number, because the mean of its divisors is an integer number (74361596400).

Almost surely, 2^{1122201111011} is an apocalyptic number.

1122201111011 is a deficient number, since it is larger than the sum of its proper divisors (67584431389).

1122201111011 is a wasteful number, since it uses less digits than its factorization.

1122201111011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 757210.

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 1122201111011 its reverse (1101111022211), we get a palindrome (2223312133222).

The spelling of 1122201111011 in words is "one trillion, one hundred twenty-two billion, two hundred one million, one hundred eleven thousand, eleven".