22122121220122 has 32 divisors (see below), whose sum is σ = 41371675841664. Its totient is φ = 8618917401600.

The previous prime is 22122121220041. The next prime is 22122121220149. The reversal of 22122121220122 is 22102212122122.

It is a super-3 number, since 3×22122121220122³ (a number of 41 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 22122121220093 and 22122121220102.

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, 14952498 + ... + 16365250.

It is an arithmetic number, because the mean of its divisors is an integer number (1292864870052).

Almost surely, 2^{22122121220122} is an apocalyptic number.

22122121220122 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

22122121220122 is a deficient number, since it is larger than the sum of its proper divisors (19249554621542).

22122121220122 is a wasteful number, since it uses less digits than its factorization.

22122121220122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1514454.

The product of its (nonzero) digits is 512, while the sum is 22.

Adding to 22122121220122 its reverse (22102212122122), we get a palindrome (44224333342244).

The spelling of 22122121220122 in words is "twenty-two trillion, one hundred twenty-two billion, one hundred twenty-one million, two hundred twenty thousand, one hundred twenty-two".