30111322100220 has 48 divisors (see below), whose sum is σ = 93679668757920. Its totient is φ = 8029685893248.

The previous prime is 30111322100191. The next prime is 30111322100273. The reversal of 30111322100220 is 2200122311103.

30111322100220 is a `hidden beast` number, since 3 + 0 + 111 + 322 + 10 + 0 + 220 = 666.

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

It is a junction number, because it is equal to n+sod(n) for n = 30111322100193 and 30111322100202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27880853257 + ... + 27880854336.

It is an arithmetic number, because the mean of its divisors is an integer number (1951659765790).

Almost surely, 2^{30111322100220} is an apocalyptic number.

30111322100220 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

30111322100220 is an abundant number, since it is smaller than the sum of its proper divisors (63568346657700).

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

30111322100220 is a wasteful number, since it uses less digits than its factorization.

30111322100220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55761707611 (or 55761707603 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 30111322100220 its reverse (2200122311103), we get a palindrome (32311444411323).

The spelling of 30111322100220 in words is "thirty trillion, one hundred eleven billion, three hundred twenty-two million, one hundred thousand, two hundred twenty".