10012021110 has 192 divisors, whose sum is σ = 32099034240. Its totient is φ = 2108436480.

The previous prime is 10012021099. The next prime is 10012021111. The reversal of 10012021110 is 1112021001.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 10012021092 and 10012021101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10012021111) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 6723246 + ... + 6724734.

It is an arithmetic number, because the mean of its divisors is an integer number (167182470).

Almost surely, 2^10012021110 is an apocalyptic number.

10012021110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 10012021110, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16049517120).

10012021110 is an abundant number, since it is smaller than the sum of its proper divisors (22087013130).

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

10012021110 is a wasteful number, since it uses less digits than its factorization.

10012021110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2343 (or 2340 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

Adding to 10012021110 its reverse (1112021001), we get a palindrome (11124042111).

The spelling of 10012021110 in words is "ten billion, twelve million, twenty-one thousand, one hundred ten".