122221022002220 has 48 divisors (see below), whose sum is σ = 256967067984480. Its totient is φ = 48830713880064.

The previous prime is 122221022002187. The next prime is 122221022002231. The reversal of 122221022002220 is 22200220122221.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 122221022002192 and 122221022002201.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 487960376 + ... + 488210784.

It is an arithmetic number, because the mean of its divisors is an integer number (5353480583010).

Almost surely, 2^{122221022002220} is an apocalyptic number.

122221022002220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122221022002220 is an abundant number, since it is smaller than the sum of its proper divisors (134746045982260).

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

122221022002220 is a wasteful number, since it uses less digits than its factorization.

122221022002220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 279122 (or 279120 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 20.

Adding to 122221022002220 its reverse (22200220122221), we get a palindrome (144421242124441).

The spelling of 122221022002220 in words is "one hundred twenty-two trillion, two hundred twenty-one billion, twenty-two million, two thousand, two hundred twenty".