120121110001101 has 16 divisors (see below), whose sum is σ = 174721838107968. Its totient is φ = 72800579577600.

The previous prime is 120121110001099. The next prime is 120121110001147. The reversal of 120121110001101 is 101100011121021.

It is not a de Polignac number, because 120121110001101 - 2¹ = 120121110001099 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120121110001181) 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, 30951381 + ... + 34615461.

It is an arithmetic number, because the mean of its divisors is an integer number (10920114881748).

Almost surely, 2^{120121110001101} is an apocalyptic number.

120121110001101 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

120121110001101 is a deficient number, since it is larger than the sum of its proper divisors (54600728106867).

120121110001101 is a wasteful number, since it uses less digits than its factorization.

120121110001101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4657532.

The product of its (nonzero) digits is 4, while the sum is 12.

Adding to 120121110001101 its reverse (101100011121021), we get a palindrome (221221121122122).

The spelling of 120121110001101 in words is "one hundred twenty trillion, one hundred twenty-one billion, one hundred ten million, one thousand, one hundred one".