2122122120102 has 12 divisors (see below), whose sum is σ = 4597931260260. Its totient is φ = 707374040028.

The previous prime is 2122122120089. The next prime is 2122122120103. The reversal of 2122122120102 is 2010212212212.

It is a happy number.

2122122120102 is a `hidden beast` number, since 21 + 221 + 221 + 201 + 0 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 117895673339 = 2122122120102 / (2 + 1 + 2 + 2 + 1 + 2 + 2 + 1 + 2 + 0 + 1 + 0 + 2).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2122122120103) 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, 58947836652 + ... + 58947836687.

It is an arithmetic number, because the mean of its divisors is an integer number (383160938355).

Almost surely, 2^{2122122120102} is an apocalyptic number.

2122122120102 is an abundant number, since it is smaller than the sum of its proper divisors (2475809140158).

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

2122122120102 is a wasteful number, since it uses less digits than its factorization.

2122122120102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117895673347 (or 117895673344 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 2122122120102 its reverse (2010212212212), we get a palindrome (4132334332314).

The spelling of 2122122120102 in words is "two trillion, one hundred twenty-two billion, one hundred twenty-two million, one hundred twenty thousand, one hundred two".