100020221221010 has 128 divisors (see below), whose sum is σ = 184781943360000. Its totient is φ = 38973288499200.

The previous prime is 100020221221003. The next prime is 100020221221049. The reversal of 100020221221010 is 10122122020001.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 6798077414 + ... + 6798092126.

It is an arithmetic number, because the mean of its divisors is an integer number (1443608932500).

Almost surely, 2^{100020221221010} is an apocalyptic number.

100020221221010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

100020221221010 is a deficient number, since it is larger than the sum of its proper divisors (84761722138990).

100020221221010 is a wasteful number, since it uses less digits than its factorization.

100020221221010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15396.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 100020221221010 its reverse (10122122020001), we get a palindrome (110142343241011).

The spelling of 100020221221010 in words is "one hundred trillion, twenty billion, two hundred twenty-one million, two hundred twenty-one thousand, ten".