120121101220011 has 8 divisors (see below), whose sum is σ = 160174066587600. Its totient is φ = 80074434999552.

The previous prime is 120121101220007. The next prime is 120121101220019. The reversal of 120121101220011 is 110022101121021.

It is a happy number.

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

It is not a de Polignac number, because 120121101220011 - 2² = 120121101220007 is a prime.

It is not an unprimeable number, because it can be changed into a prime (120121101220019) 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, 1574742286 + ... + 1574818563.

It is an arithmetic number, because the mean of its divisors is an integer number (20021758323450).

Almost surely, 2^{120121101220011} is an apocalyptic number.

120121101220011 is a deficient number, since it is larger than the sum of its proper divisors (40052965367589).

120121101220011 is a wasteful number, since it uses less digits than its factorization.

120121101220011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3149573565.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 120121101220011 its reverse (110022101121021), we get a palindrome (230143202341032).

The spelling of 120121101220011 in words is "one hundred twenty trillion, one hundred twenty-one billion, one hundred one million, two hundred twenty thousand, eleven".