10111020030 has 48 divisors (see below), whose sum is σ = 26303438304. Its totient is φ = 2694755520.

The previous prime is 10111020013. The next prime is 10111020083. The reversal of 10111020030 is 3002011101.

It is a super-2 number, since 2×10111020030² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 10111019994 and 10111020021.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 134112 + ... + 195468.

It is an arithmetic number, because the mean of its divisors is an integer number (547988298).

Almost surely, 2^10111020030 is an apocalyptic number.

10111020030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10111020030 is an abundant number, since it is smaller than the sum of its proper divisors (16192418274).

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

10111020030 is a wasteful number, since it uses less digits than its factorization.

10111020030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63201 (or 63198 counting only the distinct ones).

The product of its (nonzero) digits is 6, while the sum is 9.

Adding to 10111020030 its reverse (3002011101), we get a palindrome (13113031131).

The spelling of 10111020030 in words is "ten billion, one hundred eleven million, twenty thousand, thirty".