121120653323 has 2 divisors, whose sum is σ = 121120653324. Its totient is φ = 121120653322.

The previous prime is 121120653299. The next prime is 121120653371. The reversal of 121120653323 is 323356021121.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 121120653323 - 2¹⁶ = 121120587787 is a prime.

It is a super-2 number, since 2×121120653323² (a number of 23 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (121120653923) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60560326661 + 60560326662.

It is an arithmetic number, because the mean of its divisors is an integer number (60560326662).

Almost surely, 2^121120653323 is an apocalyptic number.

121120653323 is a deficient number, since it is larger than the sum of its proper divisors (1).

121120653323 is an equidigital number, since it uses as much as digits as its factorization.

121120653323 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6480, while the sum is 29.

Adding to 121120653323 its reverse (323356021121), we get a palindrome (444476674444).

The spelling of 121120653323 in words is "one hundred twenty-one billion, one hundred twenty million, six hundred fifty-three thousand, three hundred twenty-three".