100021210020010 has 16 divisors (see below), whose sum is σ = 180038343778272. Its totient is φ = 40008447176400.

The previous prime is 100021210019981. The next prime is 100021210020023. The reversal of 100021210020010 is 10020012120001.

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, 8606845 + ... + 16556575.

It is an arithmetic number, because the mean of its divisors is an integer number (11252396486142).

Almost surely, 2^{100021210020010} is an apocalyptic number.

100021210020010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

100021210020010 is a deficient number, since it is larger than the sum of its proper divisors (80017133758262).

100021210020010 is a wasteful number, since it uses less digits than its factorization.

100021210020010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9207909.

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

Adding to 100021210020010 its reverse (10020012120001), we get a palindrome (110041222140011).

The spelling of 100021210020010 in words is "one hundred trillion, twenty-one billion, two hundred ten million, twenty thousand, ten".