100020201111 has 16 divisors (see below), whose sum is σ = 148515628800. Its totient is φ = 66528235224.

The previous prime is 100020201101. The next prime is 100020201139. The reversal of 100020201111 is 111102020001.

It is a happy number.

It is not a de Polignac number, because 100020201111 - 2⁷ = 100020200983 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 100020201093 and 100020201102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100020201101) 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, 4207341 + ... + 4231046.

It is an arithmetic number, because the mean of its divisors is an integer number (9282226800).

Almost surely, 2^100020201111 is an apocalyptic number.

100020201111 is a deficient number, since it is larger than the sum of its proper divisors (48495427689).

100020201111 is an equidigital number, since it uses as much as digits as its factorization.

100020201111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8438835 (or 8438829 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

Adding to 100020201111 its reverse (111102020001), we get a palindrome (211122221112).

The spelling of 100020201111 in words is "one hundred billion, twenty million, two hundred one thousand, one hundred eleven".