120101110101 has 64 divisors (see below), whose sum is σ = 206464204800. Its totient is φ = 67579142400.

The previous prime is 120101110091. The next prime is 120101110147. The reversal of 120101110101 is 101011101021.

It is not a de Polignac number, because 120101110101 - 2¹⁸ = 120100847957 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120101111101) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 11817060 + ... + 11827218.

It is an arithmetic number, because the mean of its divisors is an integer number (3226003200).

Almost surely, 2^120101110101 is an apocalyptic number.

It is an amenable number.

120101110101 is a deficient number, since it is larger than the sum of its proper divisors (86363094699).

120101110101 is a wasteful number, since it uses less digits than its factorization.

120101110101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11127 (or 11121 counting only the distinct ones).

The product of its (nonzero) digits is 2, while the sum is 9.

Adding to 120101110101 its reverse (101011101021), we get a palindrome (221112211122).

It can be divided in two parts, 1 and 20101110101, that added together give a palindrome (20101110102).

The spelling of 120101110101 in words is "one hundred twenty billion, one hundred one million, one hundred ten thousand, one hundred one".