101210221002 has 64 divisors (see below), whose sum is σ = 224211916800. Its totient is φ = 30201050880.

The previous prime is 101210220941. The next prime is 101210221019. The reversal of 101210221002 is 200122012101.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1950498 + ... + 2001714.

It is an arithmetic number, because the mean of its divisors is an integer number (3503311200).

Almost surely, 2^101210221002 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 101210221002, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (112105958400).

101210221002 is an abundant number, since it is smaller than the sum of its proper divisors (123001695798).

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

101210221002 is a wasteful number, since it uses less digits than its factorization.

101210221002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51691.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 101210221002 its reverse (200122012101), we get a palindrome (301332233103).

The spelling of 101210221002 in words is "one hundred one billion, two hundred ten million, two hundred twenty-one thousand, two".