121167012027 has 16 divisors (see below), whose sum is σ = 166422643200. Its totient is φ = 78369910752.

The previous prime is 121167012017. The next prime is 121167012037. The reversal of 121167012027 is 720210761121.

It is an interprime number because it is at equal distance from previous prime (121167012017) and next prime (121167012037).

It is not a de Polignac number, because 121167012027 - 2¹¹ = 121167009979 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 121167011985 and 121167012003.

It is not an unprimeable number, because it can be changed into a prime (121167012007) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3132723 + ... + 3171164.

It is an arithmetic number, because the mean of its divisors is an integer number (10401415200).

Almost surely, 2^121167012027 is an apocalyptic number.

121167012027 is a deficient number, since it is larger than the sum of its proper divisors (45255631173).

121167012027 is a wasteful number, since it uses less digits than its factorization.

121167012027 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6304082.

The product of its (nonzero) digits is 2352, while the sum is 30.

Adding to 121167012027 its reverse (720210761121), we get a palindrome (841377773148).

The spelling of 121167012027 in words is "one hundred twenty-one billion, one hundred sixty-seven million, twelve thousand, twenty-seven".