11111010001222 has 8 divisors (see below), whose sum is σ = 16877483546400. Its totient is φ = 5485182152424.

The previous prime is 11111010001213. The next prime is 11111010001363. The reversal of 11111010001222 is 22210001011111.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35161423897 + ... + 35161424212.

It is an arithmetic number, because the mean of its divisors is an integer number (2109685443300).

Almost surely, 2^{11111010001222} is an apocalyptic number.

11111010001222 is a deficient number, since it is larger than the sum of its proper divisors (5766473545178).

11111010001222 is an equidigital number, since it uses as much as digits as its factorization.

11111010001222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70322848190.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 11111010001222 its reverse (22210001011111), we get a palindrome (33321011012333).

The spelling of 11111010001222 in words is "eleven trillion, one hundred eleven billion, ten million, one thousand, two hundred twenty-two".