11211120001011 has 32 divisors (see below), whose sum is σ = 17116061248000. Its totient is φ = 6394188936960.

The previous prime is 11211120001009. The next prime is 11211120001019. The reversal of 11211120001011 is 11010002111211.

It is not a de Polignac number, because 11211120001011 - 2¹ = 11211120001009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11211120001019) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 85418265 + ... + 85549413.

It is an arithmetic number, because the mean of its divisors is an integer number (534876914000).

Almost surely, 2^{11211120001011} is an apocalyptic number.

11211120001011 is a deficient number, since it is larger than the sum of its proper divisors (5904941246989).

11211120001011 is a wasteful number, since it uses less digits than its factorization.

11211120001011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138859.

The product of its (nonzero) digits is 4, while the sum is 12.

Adding to 11211120001011 its reverse (11010002111211), we get a palindrome (22221122112222).

The spelling of 11211120001011 in words is "eleven trillion, two hundred eleven billion, one hundred twenty million, one thousand, eleven".