121522010167 has 4 divisors (see below), whose sum is σ = 121527546160. Its totient is φ = 121516474176.

The previous prime is 121522010083. The next prime is 121522010171. The reversal of 121522010167 is 761010225121.

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

It is a cyclic number.

It is not a de Polignac number, because 121522010167 - 2¹⁵ = 121521977399 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 (121522010177) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2734938 + ... + 2779015.

It is an arithmetic number, because the mean of its divisors is an integer number (30381886540).

Almost surely, 2^121522010167 is an apocalyptic number.

121522010167 is a deficient number, since it is larger than the sum of its proper divisors (5535993).

121522010167 is an equidigital number, since it uses as much as digits as its factorization.

121522010167 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5535992.

The product of its (nonzero) digits is 1680, while the sum is 28.

Adding to 121522010167 its reverse (761010225121), we get a palindrome (882532235288).

The spelling of 121522010167 in words is "one hundred twenty-one billion, five hundred twenty-two million, ten thousand, one hundred sixty-seven".