2111020030 has 16 divisors (see below), whose sum is σ = 4342669920. Its totient is φ = 723778272.

The previous prime is 2111020019. The next prime is 2111020031. The reversal of 2111020030 is 300201112.

It is a super-2 number, since 2×2111020030² = 8912811134122401800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a junction number, because it is equal to n+sod(n) for n = 2111019989 and 2111020016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2111020031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15078645 + ... + 15078784.

It is an arithmetic number, because the mean of its divisors is an integer number (271416870).

Almost surely, 2^2111020030 is an apocalyptic number.

2111020030 is an abundant number, since it is smaller than the sum of its proper divisors (2231649890).

2111020030 is a wasteful number, since it uses less digits than its factorization.

2111020030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30157443.

The product of its (nonzero) digits is 12, while the sum is 10.

The square root of 2111020030 is about 45945.8380051991. The cubic root of 2111020030 is about 1282.8152614361.

Adding to 2111020030 its reverse (300201112), we get a palindrome (2411221142).

The spelling of 2111020030 in words is "two billion, one hundred eleven million, twenty thousand, thirty".