10002111020 has 48 divisors (see below), whose sum is σ = 23704077600. Its totient is φ = 3511710720.

The previous prime is 10002111017. The next prime is 10002111037. The reversal of 10002111020 is 2011120001.

It is a junction number, because it is equal to n+sod(n) for n = 10002110989 and 10002111007.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 777485 + ... + 790244.

It is an arithmetic number, because the mean of its divisors is an integer number (493834950).

Almost surely, 2^10002111020 is an apocalyptic number.

10002111020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10002111020 is an abundant number, since it is smaller than the sum of its proper divisors (13701966580).

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

10002111020 is a wasteful number, since it uses less digits than its factorization.

10002111020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1567778 (or 1567776 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 8.

Adding to 10002111020 its reverse (2011120001), we get a palindrome (12013231021).

The spelling of 10002111020 in words is "ten billion, two million, one hundred eleven thousand, twenty".