100111210210111 has 4 divisors (see below), whose sum is σ = 101143284542272. Its totient is φ = 99079135877952.

The previous prime is 100111210210069. The next prime is 100111210210117. The reversal of 100111210210111 is 111012012111001.

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

It is a cyclic number.

It is not a de Polignac number, because 100111210210111 - 2⁴¹ = 97912186954559 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 100111210210091 and 100111210210100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100111210210117) 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, 516037165935 + ... + 516037166128.

It is an arithmetic number, because the mean of its divisors is an integer number (25285821135568).

Almost surely, 2^{100111210210111} is an apocalyptic number.

100111210210111 is a deficient number, since it is larger than the sum of its proper divisors (1032074332161).

100111210210111 is an equidigital number, since it uses as much as digits as its factorization.

100111210210111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1032074332160.

The product of its (nonzero) digits is 4, while the sum is 13.

Adding to 100111210210111 its reverse (111012012111001), we get a palindrome (211123222321112).

The spelling of 100111210210111 in words is "one hundred trillion, one hundred eleven billion, two hundred ten million, two hundred ten thousand, one hundred eleven".