2111220303030 has 96 divisors (see below), whose sum is σ = 5969148310944. Its totient is φ = 515553942528.

The previous prime is 2111220302999. The next prime is 2111220303041. The reversal of 2111220303030 is 303030221112.

2111220303030 is a `hidden beast` number, since 2 + 111 + 220 + 30 + 303 + 0 = 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 = 2111220302994 and 2111220303012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 18590452 + ... + 18703671.

It is an arithmetic number, because the mean of its divisors is an integer number (62178628239).

Almost surely, 2^{2111220303030} is an apocalyptic number.

2111220303030 is an abundant number, since it is smaller than the sum of its proper divisors (3857928007914).

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

2111220303030 is a wasteful number, since it uses less digits than its factorization.

2111220303030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37294190 (or 37294187 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 2111220303030 its reverse (303030221112), we get a palindrome (2414250524142).

The spelling of 2111220303030 in words is "two trillion, one hundred eleven billion, two hundred twenty million, three hundred three thousand, thirty".