20122201111122 has 24 divisors (see below), whose sum is σ = 47561566263120. Its totient is φ = 6097636700280.

The previous prime is 20122201111121. The next prime is 20122201111123. The reversal of 20122201111122 is 22111110222102.

It is an interprime number because it is at equal distance from previous prime (20122201111121) and next prime (20122201111123).

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

It is a junction number, because it is equal to n+sod(n) for n = 20122201111095 and 20122201111104.

It is not an unprimeable number, because it can be changed into a prime (20122201111121) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 50813638972 + ... + 50813639367.

It is an arithmetic number, because the mean of its divisors is an integer number (1981731927630).

Almost surely, 2^{20122201111122} is an apocalyptic number.

20122201111122 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

20122201111122 is an abundant number, since it is smaller than the sum of its proper divisors (27439365151998).

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

20122201111122 is a wasteful number, since it uses less digits than its factorization.

20122201111122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101627278358 (or 101627278355 counting only the distinct ones).

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

Adding to 20122201111122 its reverse (22111110222102), we get a palindrome (42233311333224).

The spelling of 20122201111122 in words is "twenty trillion, one hundred twenty-two billion, two hundred one million, one hundred eleven thousand, one hundred twenty-two".