30211133221100 has 108 divisors (see below), whose sum is σ = 70992597495456. Its totient is φ = 11154316642560.

The previous prime is 30211133221099. The next prime is 30211133221103. The reversal of 30211133221100 is 112233111203.

It is a happy number.

It is a super-2 number, since 2×30211133221100² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is not an unprimeable number, because it can be changed into a prime (30211133221103) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 495697229 + ... + 495758171.

Almost surely, 2^{30211133221100} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30211133221100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35496298747728).

30211133221100 is an abundant number, since it is smaller than the sum of its proper divisors (40781464274356).

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

30211133221100 is a wasteful number, since it uses less digits than its factorization.

30211133221100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90316 (or 90296 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 30211133221100 its reverse (112233111203), we get a palindrome (30323366332303).

The spelling of 30211133221100 in words is "thirty trillion, two hundred eleven billion, one hundred thirty-three million, two hundred twenty-one thousand, one hundred".