134442211121 has 4 divisors (see below), whose sum is σ = 140287524672. Its totient is φ = 128596897572.

The previous prime is 134442211117. The next prime is 134442211133. The reversal of 134442211121 is 121112244431.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 134442211121 - 2² = 134442211117 is a prime.

It is a super-2 number, since 2×134442211121² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (134442211181) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2922656741 + ... + 2922656786.

It is an arithmetic number, because the mean of its divisors is an integer number (35071881168).

Almost surely, 2^134442211121 is an apocalyptic number.

It is an amenable number.

134442211121 is a deficient number, since it is larger than the sum of its proper divisors (5845313551).

134442211121 is an equidigital number, since it uses as much as digits as its factorization.

134442211121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5845313550.

The product of its digits is 1536, while the sum is 26.

Adding to 134442211121 its reverse (121112244431), we get a palindrome (255554455552).

The spelling of 134442211121 in words is "one hundred thirty-four billion, four hundred forty-two million, two hundred eleven thousand, one hundred twenty-one".