100201020021111 has 4 divisors (see below), whose sum is σ = 133601360028152. Its totient is φ = 66800680014072.

The previous prime is 100201020021077. The next prime is 100201020021119. The reversal of 100201020021111 is 111120020102001.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 100201020021111 - 2¹¹ = 100201020019063 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100201020021119) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16700170003516 + ... + 16700170003521.

It is an arithmetic number, because the mean of its divisors is an integer number (33400340007038).

Almost surely, 2^{100201020021111} is an apocalyptic number.

100201020021111 is a deficient number, since it is larger than the sum of its proper divisors (33400340007041).

100201020021111 is an equidigital number, since it uses as much as digits as its factorization.

100201020021111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33400340007040.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 100201020021111 its reverse (111120020102001), we get a palindrome (211321040123112).

The spelling of 100201020021111 in words is "one hundred trillion, two hundred one billion, twenty million, twenty-one thousand, one hundred eleven".