10111021000 has 64 divisors (see below), whose sum is σ = 24905088000. Its totient is φ = 3831537600.

The previous prime is 10111020991. The next prime is 10111021003. The reversal of 10111021000 is 12011101.

It is not an unprimeable number, because it can be changed into a prime (10111021003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 247080 + ... + 285079.

It is an arithmetic number, because the mean of its divisors is an integer number (389142000).

Almost surely, 2^10111021000 is an apocalyptic number.

10111021000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10111021000 is an abundant number, since it is smaller than the sum of its proper divisors (14794067000).

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

10111021000 is a wasteful number, since it uses less digits than its factorization.

10111021000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 532199 (or 532185 counting only the distinct ones).

The product of its (nonzero) digits is 2, while the sum is 7.

Adding to 10111021000 its reverse (12011101), we get a palindrome (10123032101).

The spelling of 10111021000 in words is "ten billion, one hundred eleven million, twenty-one thousand".