100120201001111 has 4 divisors (see below), whose sum is σ = 100122708496800. Its totient is φ = 100117693505424.

The previous prime is 100120201001087. The next prime is 100120201001129. The reversal of 100120201001111 is 111100102021001.

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 100120201001111 - 2¹⁰ = 100120201000087 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 100120201001092 and 100120201001101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100120201001131) 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, 1253687951 + ... + 1253767808.

It is an arithmetic number, because the mean of its divisors is an integer number (25030677124200).

Almost surely, 2^{100120201001111} is an apocalyptic number.

100120201001111 is a deficient number, since it is larger than the sum of its proper divisors (2507495689).

100120201001111 is an equidigital number, since it uses as much as digits as its factorization.

100120201001111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2507495688.

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 100120201001111 its reverse (111100102021001), we get a palindrome (211220303022112).

The spelling of 100120201001111 in words is "one hundred trillion, one hundred twenty billion, two hundred one million, one thousand, one hundred eleven".