1101220122211 has 16 divisors (see below), whose sum is σ = 1230823804896. Its totient is φ = 976539520000.

The previous prime is 1101220122073. The next prime is 1101220122217. The reversal of 1101220122211 is 1122210221011.

It is not a de Polignac number, because 1101220122211 - 2¹⁷ = 1101219991139 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1101220122217) 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, 2753751 + ... + 3128191.

It is an arithmetic number, because the mean of its divisors is an integer number (76926487806).

Almost surely, 2^{1101220122211} is an apocalyptic number.

1101220122211 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1101220122211 is a deficient number, since it is larger than the sum of its proper divisors (129603682685).

1101220122211 is a wasteful number, since it uses less digits than its factorization.

1101220122211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 381014.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 1101220122211 its reverse (1122210221011), we get a palindrome (2223430343222).

The spelling of 1101220122211 in words is "one trillion, one hundred one billion, two hundred twenty million, one hundred twenty-two thousand, two hundred eleven".