1122211220022 has 24 divisors (see below), whose sum is σ = 2433857937264. Its totient is φ = 373701130704.

The previous prime is 1122211220017. The next prime is 1122211220057. The reversal of 1122211220022 is 2200221122211.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a zygodrome in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 1122211219977 and 1122211220004.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 30754258 + ... + 30790725.

It is an arithmetic number, because the mean of its divisors is an integer number (101410747386).

Almost surely, 2^{1122211220022} is an apocalyptic number.

1122211220022 is an abundant number, since it is smaller than the sum of its proper divisors (1311646717242).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1122211220022 is a wasteful number, since it uses less digits than its factorization.

1122211220022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61546004 (or 61546001 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 1122211220022 its reverse (2200221122211), we get a palindrome (3322432342233).

The spelling of 1122211220022 in words is "one trillion, one hundred twenty-two billion, two hundred eleven million, two hundred twenty thousand, twenty-two".