120100221011111 has 4 divisors (see below), whose sum is σ = 131018422921224. Its totient is φ = 109182019101000.

The previous prime is 120100221011083. The next prime is 120100221011131. The reversal of 120100221011111 is 111110122001021.

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 120100221011111 - 2¹⁴ = 120100220994727 is a prime.

It is a super-2 number, since 2×120100221011111² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120100221011131) 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, 5459100955040 + ... + 5459100955061.

It is an arithmetic number, because the mean of its divisors is an integer number (32754605730306).

Almost surely, 2^{120100221011111} is an apocalyptic number.

120100221011111 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

120100221011111 is a deficient number, since it is larger than the sum of its proper divisors (10918201910113).

120100221011111 is a wasteful number, since it uses less digits than its factorization.

120100221011111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10918201910112.

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 120100221011111 its reverse (111110122001021), we get a palindrome (231210343012132).

The spelling of 120100221011111 in words is "one hundred twenty trillion, one hundred billion, two hundred twenty-one million, eleven thousand, one hundred eleven".