100120111212111 has 8 divisors (see below), whose sum is σ = 134993408376240. Its totient is φ = 65996777428032.

The previous prime is 100120111212091. The next prime is 100120111212119. The reversal of 100120111212111 is 111212111021001.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 100120111212111 - 2¹⁵ = 100120111179343 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100120111212119) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 187490844700 + ... + 187490845233.

It is an arithmetic number, because the mean of its divisors is an integer number (16874176047030).

Almost surely, 2^{100120111212111} is an apocalyptic number.

100120111212111 is a deficient number, since it is larger than the sum of its proper divisors (34873297164129).

100120111212111 is an equidigital number, since it uses as much as digits as its factorization.

100120111212111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 374981690025.

The product of its (nonzero) digits is 8, while the sum is 15.

Adding to 100120111212111 its reverse (111212111021001), we get a palindrome (211332222233112).

The spelling of 100120111212111 in words is "one hundred trillion, one hundred twenty billion, one hundred eleven million, two hundred twelve thousand, one hundred eleven".