11212220120001 has 8 divisors (see below), whose sum is σ = 14949720553440. Its totient is φ = 7474766549952.

The previous prime is 11212220119967. The next prime is 11212220120081. The reversal of 11212220120001 is 10002102221211.

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

It is not a de Polignac number, because 11212220120001 - 2⁷ = 11212220119873 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11212220120081) 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, 11153736 + ... + 12117353.

It is an arithmetic number, because the mean of its divisors is an integer number (1868715069180).

Almost surely, 2^{11212220120001} is an apocalyptic number.

It is an amenable number.

11212220120001 is a deficient number, since it is larger than the sum of its proper divisors (3737500433439).

11212220120001 is a wasteful number, since it uses less digits than its factorization.

11212220120001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23431695.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 11212220120001 its reverse (10002102221211), we get a palindrome (21214322341212).

The spelling of 11212220120001 in words is "eleven trillion, two hundred twelve billion, two hundred twenty million, one hundred twenty thousand, one".