1002222201210 has 96 divisors (see below), whose sum is σ = 2564651082240. Its totient is φ = 250602451968.

The previous prime is 1002222201161. The next prime is 1002222201229. The reversal of 1002222201210 is 121022222001.

1002222201210 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 1002222201210.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2117367 + ... + 2547093.

It is an arithmetic number, because the mean of its divisors is an integer number (26715115440).

Almost surely, 2^{1002222201210} is an apocalyptic number.

1002222201210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1002222201210, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1282325541120).

1002222201210 is an abundant number, since it is smaller than the sum of its proper divisors (1562428881030).

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

1002222201210 is a wasteful number, since it uses less digits than its factorization.

1002222201210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 430040 (or 430023 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 1002222201210 its reverse (121022222001), we get a palindrome (1123244423211).

The spelling of 1002222201210 in words is "one trillion, two billion, two hundred twenty-two million, two hundred one thousand, two hundred ten".