120101210111 has 8 divisors (see below), whose sum is σ = 121462966800. Its totient is φ = 118739727040.

The previous prime is 120101210107. The next prime is 120101210123. The reversal of 120101210111 is 111012101021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 120101210111 - 2² = 120101210107 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 120101210092 and 120101210101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120101210171) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 890096 + ... + 1016106.

It is an arithmetic number, because the mean of its divisors is an integer number (15182870850).

Almost surely, 2^120101210111 is an apocalyptic number.

120101210111 is a deficient number, since it is larger than the sum of its proper divisors (1361756689).

120101210111 is a wasteful number, since it uses less digits than its factorization.

120101210111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136809.

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

Adding to 120101210111 its reverse (111012101021), we get a palindrome (231113311132).

The spelling of 120101210111 in words is "one hundred twenty billion, one hundred one million, two hundred ten thousand, one hundred eleven".