30222111020202 has 24 divisors (see below), whose sum is σ = 65481563509284. Its totient is φ = 10073987319744.

The previous prime is 30222111020191. The next prime is 30222111020203. The reversal of 30222111020202 is 20202011122203.

It can be written as a sum of positive squares in 2 ways, for example, as 30219768557001 + 2342463201 = 5497251^2 + 48399^2 .

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

It is not an unprimeable number, because it can be changed into a prime (30222111020203) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 293083 + ... + 7780110.

Almost surely, 2^{30222111020202} is an apocalyptic number.

30222111020202 is an abundant number, since it is smaller than the sum of its proper divisors (35259452489082).

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

30222111020202 is a wasteful number, since it uses less digits than its factorization.

30222111020202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8281174 (or 8281171 counting only the distinct ones).

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

Adding to 30222111020202 its reverse (20202011122203), we get a palindrome (50424122142405).

The spelling of 30222111020202 in words is "thirty trillion, two hundred twenty-two billion, one hundred eleven million, twenty thousand, two hundred two".