120121210110101 has 8 divisors (see below), whose sum is σ = 120404384955264. Its totient is φ = 119838124032480.

The previous prime is 120121210110067. The next prime is 120121210110157. The reversal of 120121210110101 is 101011012121021.

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 120121210110101 - 2¹⁸ = 120121209847957 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 (120121210110001) 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, 19481885 + ... + 24895506.

It is an arithmetic number, because the mean of its divisors is an integer number (15050548119408).

Almost surely, 2^{120121210110101} is an apocalyptic number.

It is an amenable number.

120121210110101 is a deficient number, since it is larger than the sum of its proper divisors (283174845163).

120121210110101 is an equidigital number, since it uses as much as digits as its factorization.

120121210110101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44383771.

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 120121210110101 its reverse (101011012121021), we get a palindrome (221132222231122).

The spelling of 120121210110101 in words is "one hundred twenty trillion, one hundred twenty-one billion, two hundred ten million, one hundred ten thousand, one hundred one".