10002120222122 has 64 divisors (see below), whose sum is σ = 18499969188864. Its totient is φ = 3957852088320.

The previous prime is 10002120222121. The next prime is 10002120222163. The reversal of 10002120222122 is 22122202120001.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a self number, because there is not a number n which added to its sum of digits gives 10002120222122.

It is not an unprimeable number, because it can be changed into a prime (10002120222121) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 110743622 + ... + 110833902.

It is an arithmetic number, because the mean of its divisors is an integer number (289062018576).

Almost surely, 2^{10002120222122} is an apocalyptic number.

10002120222122 is a deficient number, since it is larger than the sum of its proper divisors (8497848966742).

10002120222122 is a wasteful number, since it uses less digits than its factorization.

10002120222122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99143.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 10002120222122 its reverse (22122202120001), we get a palindrome (32124322342123).

The spelling of 10002120222122 in words is "ten trillion, two billion, one hundred twenty million, two hundred twenty-two thousand, one hundred twenty-two".