100021201210 has 16 divisors (see below), whose sum is σ = 205757899776. Its totient is φ = 34292983248.

The previous prime is 100021201157. The next prime is 100021201229. The reversal of 100021201210 is 12102120001.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 714437082 + ... + 714437221.

It is an arithmetic number, because the mean of its divisors is an integer number (12859868736).

Almost surely, 2^100021201210 is an apocalyptic number.

100021201210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

100021201210 is an abundant number, since it is smaller than the sum of its proper divisors (105736698566).

100021201210 is a wasteful number, since it uses less digits than its factorization.

100021201210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1428874317.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 100021201210 its reverse (12102120001), we get a palindrome (112123321211).

The spelling of 100021201210 in words is "one hundred billion, twenty-one million, two hundred one thousand, two hundred ten".