122220001121112 has 24 divisors (see below), whose sum is σ = 331012503036540. Its totient is φ = 40740000373680.

The previous prime is 122220001121111. The next prime is 122220001121117. The reversal of 122220001121112 is 211121100022221.

It is a tau number, because it is divible by the number of its divisors (24).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122220001121111) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 848750007714 + ... + 848750007857.

Almost surely, 2^{122220001121112} is an apocalyptic number.

122220001121112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

122220001121112 is an abundant number, since it is smaller than the sum of its proper divisors (208792501915428).

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

122220001121112 is a wasteful number, since it uses less digits than its factorization.

122220001121112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1697500015583 (or 1697500015576 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 122220001121112 its reverse (211121100022221), we get a palindrome (333341101143333).

The spelling of 122220001121112 in words is "one hundred twenty-two trillion, two hundred twenty billion, one million, one hundred twenty-one thousand, one hundred twelve".