11221210112122 has 8 divisors (see below), whose sum is σ = 17821921942836. Its totient is φ = 5280569464512.

The previous prime is 11221210112107. The next prime is 11221210112153. The reversal of 11221210112122 is 22121101212211.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 10124353970641 + 1096856141481 = 3181879^2 + 1047309^2 .

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

It is a super-2 number, since 2×11221210112122² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 11221210112122.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 165017795733 + ... + 165017795800.

Almost surely, 2^{11221210112122} is an apocalyptic number.

11221210112122 is a deficient number, since it is larger than the sum of its proper divisors (6600711830714).

11221210112122 is a wasteful number, since it uses less digits than its factorization.

11221210112122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 330035591552.

The product of its (nonzero) digits is 64, while the sum is 19.

Adding to 11221210112122 its reverse (22121101212211), we get a palindrome (33342311324333).

The spelling of 11221210112122 in words is "eleven trillion, two hundred twenty-one billion, two hundred ten million, one hundred twelve thousand, one hundred twenty-two".