121153440525322 has 4 divisors (see below), whose sum is σ = 181730160787986. Its totient is φ = 60576720262660.

The previous prime is 121153440525289. The next prime is 121153440525373. The reversal of 121153440525322 is 223525044351121.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 102633939367281 + 18519501158041 = 10130841^2 + 4303429^2 .

It is a super-2 number, since 2×121153440525322² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30288360131329 + ... + 30288360131332.

Almost surely, 2^{121153440525322} is an apocalyptic number.

121153440525322 is a deficient number, since it is larger than the sum of its proper divisors (60576720262664).

121153440525322 is an equidigital number, since it uses as much as digits as its factorization.

121153440525322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60576720262663.

The product of its (nonzero) digits is 288000, while the sum is 40.

Adding to 121153440525322 its reverse (223525044351121), we get a palindrome (344678484876443).

The spelling of 121153440525322 in words is "one hundred twenty-one trillion, one hundred fifty-three billion, four hundred forty million, five hundred twenty-five thousand, three hundred twenty-two".