120111201101 has 4 divisors (see below), whose sum is σ = 120115684704. Its totient is φ = 120106717500.

The previous prime is 120111201053. The next prime is 120111201109. The reversal of 120111201101 is 101102111021.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 101102111021 = 216901 ⋅466121.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-120111201101 is a prime.

It is a super-2 number, since 2×120111201101² (a number of 23 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 (120111201109) 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, 2201375 + ... + 2255276.

It is an arithmetic number, because the mean of its divisors is an integer number (30028921176).

Almost surely, 2^120111201101 is an apocalyptic number.

It is an amenable number.

120111201101 is a deficient number, since it is larger than the sum of its proper divisors (4483603).

120111201101 is an equidigital number, since it uses as much as digits as its factorization.

120111201101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4483602.

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

Adding to 120111201101 its reverse (101102111021), we get a palindrome (221213312122).

The spelling of 120111201101 in words is "one hundred twenty billion, one hundred eleven million, two hundred one thousand, one hundred one".