120121200097 has 4 divisors (see below), whose sum is σ = 120997997316. Its totient is φ = 119244402880.

The previous prime is 120121200091. The next prime is 120121200107. The reversal of 120121200097 is 790002121021.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 790002121021 = 29 ⋅27241452449.

It can be written as a sum of positive squares in 2 ways, for example, as 104535175761 + 15586024336 = 323319^2 + 124844^2 .

It is a cyclic number.

It is not a de Polignac number, because 120121200097 - 2¹¹ = 120121198049 is a prime.

It is a super-3 number, since 3×120121200097³ (a number of 34 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120121200091) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 438398404 + ... + 438398677.

It is an arithmetic number, because the mean of its divisors is an integer number (30249499329).

Almost surely, 2^120121200097 is an apocalyptic number.

It is an amenable number.

120121200097 is a deficient number, since it is larger than the sum of its proper divisors (876797219).

120121200097 is an equidigital number, since it uses as much as digits as its factorization.

120121200097 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 876797218.

The product of its (nonzero) digits is 504, while the sum is 25.

The spelling of 120121200097 in words is "one hundred twenty billion, one hundred twenty-one million, two hundred thousand, ninety-seven".