121220000120101 has 8 divisors (see below), whose sum is σ = 122009424187104. Its totient is φ = 120430795321200.

The previous prime is 121220000120083. The next prime is 121220000120117. The reversal of 121220000120101 is 101021000022121.

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 121220000120101 - 2⁴³ = 112423907097893 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 (121220000127101) 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, 53707675 + ... + 55919176.

It is an arithmetic number, because the mean of its divisors is an integer number (15251178023388).

Almost surely, 2^{121220000120101} is an apocalyptic number.

It is an amenable number.

121220000120101 is a deficient number, since it is larger than the sum of its proper divisors (789424067003).

121220000120101 is a wasteful number, since it uses less digits than its factorization.

121220000120101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109634051.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 121220000120101 its reverse (101021000022121), we get a palindrome (222241000142222).

The spelling of 121220000120101 in words is "one hundred twenty-one trillion, two hundred twenty billion, one hundred twenty thousand, one hundred one".