10002221220122 has 16 divisors (see below), whose sum is σ = 15023189905920. Its totient is φ = 4994491639632.

The previous prime is 10002221220119. The next prime is 10002221220127. The reversal of 10002221220122 is 22102212220001.

It is a happy number.

It is a super-5 number, since 5×10002221220122⁵ (a number of 66 digits) contains 55555 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 10002221220122.

It is not an unprimeable number, because it can be changed into a prime (10002221220127) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66500279 + ... + 66650517.

It is an arithmetic number, because the mean of its divisors is an integer number (938949369120).

Almost surely, 2^{10002221220122} is an apocalyptic number.

10002221220122 is a deficient number, since it is larger than the sum of its proper divisors (5020968685798).

10002221220122 is a wasteful number, since it uses less digits than its factorization.

10002221220122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 194077.

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

Adding to 10002221220122 its reverse (22102212220001), we get a palindrome (32104433440123).

The spelling of 10002221220122 in words is "ten trillion, two billion, two hundred twenty-one million, two hundred twenty thousand, one hundred twenty-two".