122021012122 has 8 divisors (see below), whose sum is σ = 185538799476. Its totient is φ = 60174745632.

The previous prime is 122021012093. The next prime is 122021012153. The reversal of 122021012122 is 221210120221.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 121585413481 + 435598641 = 348691^2 + 20871^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 122021012096 and 122021012105.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 417880033 + ... + 417880324.

Almost surely, 2^122021012122 is an apocalyptic number.

122021012122 is a deficient number, since it is larger than the sum of its proper divisors (63517787354).

122021012122 is an equidigital number, since it uses as much as digits as its factorization.

122021012122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 835760432.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 122021012122 its reverse (221210120221), we get a palindrome (343231132343).

The spelling of 122021012122 in words is "one hundred twenty-two billion, twenty-one million, twelve thousand, one hundred twenty-two".