120101020120111 has 4 divisors (see below), whose sum is σ = 120175202345400. Its totient is φ = 120026837894824.

The previous prime is 120101020120099. The next prime is 120101020120121. The reversal of 120101020120111 is 111021020101021.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 120101020120111 - 2⁵ = 120101020120079 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 120101020120091 and 120101020120100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120101020120121) 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, 37091110216 + ... + 37091113453.

It is an arithmetic number, because the mean of its divisors is an integer number (30043800586350).

Almost surely, 2^{120101020120111} is an apocalyptic number.

120101020120111 is a deficient number, since it is larger than the sum of its proper divisors (74182225289).

120101020120111 is an equidigital number, since it uses as much as digits as its factorization.

120101020120111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74182225288.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 120101020120111 its reverse (111021020101021), we get a palindrome (231122040221132).

The spelling of 120101020120111 in words is "one hundred twenty trillion, one hundred one billion, twenty million, one hundred twenty thousand, one hundred eleven".