120021110101 has 16 divisors (see below), whose sum is σ = 127192253760. Its totient is φ = 113058288000.

The previous prime is 120021110087. The next prime is 120021110137. The reversal of 120021110101 is 101011120021.

It is a cyclic number.

It is not a de Polignac number, because 120021110101 - 2⁷ = 120021109973 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120021110701) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1046601 + ... + 1155601.

It is an arithmetic number, because the mean of its divisors is an integer number (7949515860).

Almost surely, 2^120021110101 is an apocalyptic number.

It is an amenable number.

120021110101 is a deficient number, since it is larger than the sum of its proper divisors (7171143659).

120021110101 is a wasteful number, since it uses less digits than its factorization.

120021110101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109956.

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 120021110101 its reverse (101011120021), we get a palindrome (221032230122).

The spelling of 120021110101 in words is "one hundred twenty billion, twenty-one million, one hundred ten thousand, one hundred one".