30202112221002 has 128 divisors (see below), whose sum is σ = 69089766071040. Its totient is φ = 9774245376000.

The previous prime is 30202112220989. The next prime is 30202112221091. The reversal of 30202112221002 is 20012221120203.

It is a super-2 number, since 2×30202112221002² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 302694802 + ... + 302794562.

It is an arithmetic number, because the mean of its divisors is an integer number (539763797430).

Almost surely, 2^{30202112221002} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30202112221002, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34544883035520).

30202112221002 is an abundant number, since it is smaller than the sum of its proper divisors (38887653850038).

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

30202112221002 is a wasteful number, since it uses less digits than its factorization.

30202112221002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100597 (or 100591 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 30202112221002 its reverse (20012221120203), we get a palindrome (50214333341205).

The spelling of 30202112221002 in words is "thirty trillion, two hundred two billion, one hundred twelve million, two hundred twenty-one thousand, two".