120101211111 has 32 divisors (see below), whose sum is σ = 186531061248. Its totient is φ = 67310305920.

The previous prime is 120101211107. The next prime is 120101211133. The reversal of 120101211111 is 111112101021.

It is not a de Polignac number, because 120101211111 - 2² = 120101211107 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120101211161) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3362416 + ... + 3397946.

It is an arithmetic number, because the mean of its divisors is an integer number (5829095664).

Almost surely, 2^120101211111 is an apocalyptic number.

120101211111 is a deficient number, since it is larger than the sum of its proper divisors (66429850137).

120101211111 is a wasteful number, since it uses less digits than its factorization.

120101211111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38631.

The product of its (nonzero) digits is 4, while the sum is 12.

Adding to 120101211111 its reverse (111112101021), we get a palindrome (231213312132).

The spelling of 120101211111 in words is "one hundred twenty billion, one hundred one million, two hundred eleven thousand, one hundred eleven".