1122101212222 has 16 divisors (see below), whose sum is σ = 1771782434640. Its totient is φ = 531508523328.

The previous prime is 1122101212153. The next prime is 1122101212249. The reversal of 1122101212222 is 2222121012211.

It is a super-2 number, since 2×1122101212222² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a self number, because there is not a number n which added to its sum of digits gives 1122101212222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1296018 + ... + 1980874.

It is an arithmetic number, because the mean of its divisors is an integer number (110736402165).

Almost surely, 2^{1122101212222} is an apocalyptic number.

1122101212222 is a deficient number, since it is larger than the sum of its proper divisors (649681222418).

1122101212222 is a wasteful number, since it uses less digits than its factorization.

1122101212222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 727995.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 1122101212222 its reverse (2222121012211), we get a palindrome (3344222224433).

The spelling of 1122101212222 in words is "one trillion, one hundred twenty-two billion, one hundred one million, two hundred twelve thousand, two hundred twenty-two".