100201111120221 has 16 divisors (see below), whose sum is σ = 133619895561984. Its totient is φ = 66791534229504.

The previous prime is 100201111120189. The next prime is 100201111120249. The reversal of 100201111120221 is 122021111102001.

It is a happy number.

It is not a de Polignac number, because 100201111120221 - 2⁵ = 100201111120189 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 100201111120221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100201111120021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1410790716 + ... + 1410861738.

It is an arithmetic number, because the mean of its divisors is an integer number (8351243472624).

Almost surely, 2^{100201111120221} is an apocalyptic number.

It is an amenable number.

100201111120221 is a deficient number, since it is larger than the sum of its proper divisors (33418784441763).

100201111120221 is an equidigital number, since it uses as much as digits as its factorization.

100201111120221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129220.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 100201111120221 its reverse (122021111102001), we get a palindrome (222222222222222).

The spelling of 100201111120221 in words is "one hundred trillion, two hundred one billion, one hundred eleven million, one hundred twenty thousand, two hundred twenty-one".