11211222101101 has 8 divisors (see below), whose sum is σ = 12338657953344. Its totient is φ = 10101825222720.

The previous prime is 11211222101081. The next prime is 11211222101113. The reversal of 11211222101101 is 10110122211211.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 11211222101101 - 2¹³ = 11211222092909 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11211222101801) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4509742161 + ... + 4509744646.

It is an arithmetic number, because the mean of its divisors is an integer number (1542332244168).

Almost surely, 2^{11211222101101} is an apocalyptic number.

11211222101101 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

11211222101101 is a deficient number, since it is larger than the sum of its proper divisors (1127435852243).

11211222101101 is a wasteful number, since it uses less digits than its factorization.

11211222101101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9019486931.

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

Adding to 11211222101101 its reverse (10110122211211), we get a palindrome (21321344312312).

It can be divided in two parts, 1121122 and 2101101, that added together give a palindrome (3222223).

The spelling of 11211222101101 in words is "eleven trillion, two hundred eleven billion, two hundred twenty-two million, one hundred one thousand, one hundred one".