120211011101 has 4 divisors (see below), whose sum is σ = 120248804604. Its totient is φ = 120173217600.

The previous prime is 120211011073. The next prime is 120211011161. The reversal of 120211011101 is 101110112021.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 101110112021 = 23 ⋅4396091827.

It can be written as a sum of positive squares in 2 ways, for example, as 16622944900 + 103588066201 = 128930^2 + 321851^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-120211011101 is a prime.

It is a super-3 number, since 3×120211011101³ (a number of 34 digits) contains 333 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 (120211011161) 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, 18891980 + ... + 18898341.

It is an arithmetic number, because the mean of its divisors is an integer number (30062201151).

Almost surely, 2^120211011101 is an apocalyptic number.

It is an amenable number.

120211011101 is a deficient number, since it is larger than the sum of its proper divisors (37793503).

120211011101 is an equidigital number, since it uses as much as digits as its factorization.

120211011101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37793502.

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

Adding to 120211011101 its reverse (101110112021), we get a palindrome (221321123122).

It can be divided in two parts, 12021 and 1011101, that multiplied together give a palindrome (12154445121).

The spelling of 120211011101 in words is "one hundred twenty billion, two hundred eleven million, eleven thousand, one hundred one".