10002221222000 has 320 divisors, whose sum is σ = 27805220352000. Its totient is φ = 3408939878400.

The previous prime is 10002221221981. The next prime is 10002221222129. The reversal of 10002221222000 is 22212220001.

It is a super-5 number, since 5×10002221222000⁵ (a number of 66 digits) contains 55555 as substring.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2151475676 + ... + 2151480324.

It is an arithmetic number, because the mean of its divisors is an integer number (86891313600).

Almost surely, 2^{10002221222000} is an apocalyptic number.

10002221222000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10002221222000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13902610176000).

10002221222000 is an abundant number, since it is smaller than the sum of its proper divisors (17802999130000).

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

10002221222000 is a wasteful number, since it uses less digits than its factorization.

10002221222000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5561 (or 5545 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 10002221222000 its reverse (22212220001), we get a palindrome (10024433442001).

It can be divided in two parts, 1000222 and 1222000, that added together give a palindrome (2222222).

The spelling of 10002221222000 in words is "ten trillion, two billion, two hundred twenty-one million, two hundred twenty-two thousand".