10111021030 has 64 divisors (see below), whose sum is σ = 20825952768. Its totient is φ = 3498485760.

The previous prime is 10111021021. The next prime is 10111021069. The reversal of 10111021030 is 3012011101.

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 = 10111020998 and 10111021016.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 477937 + ... + 498643.

It is an arithmetic number, because the mean of its divisors is an integer number (325405512).

Almost surely, 2^10111021030 is an apocalyptic number.

10111021030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10111021030 is an abundant number, since it is smaller than the sum of its proper divisors (10714931738).

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

10111021030 is a wasteful number, since it uses less digits than its factorization.

10111021030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20941.

The product of its (nonzero) digits is 6, while the sum is 10.

Adding to 10111021030 its reverse (3012011101), we get a palindrome (13123032131).

The spelling of 10111021030 in words is "ten billion, one hundred eleven million, twenty-one thousand, thirty".