134122252121 has 16 divisors (see below), whose sum is σ = 161828858688. Its totient is φ = 109508241600.

The previous prime is 134122252111. The next prime is 134122252123. The reversal of 134122252121 is 121252221431.

It is a cyclic number.

It is not a de Polignac number, because 134122252121 - 2⁶ = 134122252057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (134122252123) 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, 12669275 + ... + 12679856.

It is an arithmetic number, because the mean of its divisors is an integer number (10114303668).

Almost surely, 2^134122252121 is an apocalyptic number.

134122252121 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

134122252121 is a deficient number, since it is larger than the sum of its proper divisors (27706606567).

134122252121 is a wasteful number, since it uses less digits than its factorization.

134122252121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25349192.

The product of its digits is 1920, while the sum is 26.

Adding to 134122252121 its reverse (121252221431), we get a palindrome (255374473552).

The spelling of 134122252121 in words is "one hundred thirty-four billion, one hundred twenty-two million, two hundred fifty-two thousand, one hundred twenty-one".