121310101134 has 96 divisors (see below), whose sum is σ = 288353688480. Its totient is φ = 36701392896.

The previous prime is 121310101127. The next prime is 121310101153. The reversal of 121310101134 is 431101013121.

It is a happy number.

121310101134 is a `hidden beast` number, since 121 + 310 + 101 + 134 = 666.

It is a super-2 number, since 2×121310101134² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1231977 + ... + 1326795.

It is an arithmetic number, because the mean of its divisors is an integer number (3003684255).

Almost surely, 2^121310101134 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 121310101134, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (144176844240).

121310101134 is an abundant number, since it is smaller than the sum of its proper divisors (167043587346).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

121310101134 is a wasteful number, since it uses less digits than its factorization.

121310101134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94994 (or 94991 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

Adding to 121310101134 its reverse (431101013121), we get a palindrome (552411114255).

The spelling of 121310101134 in words is "one hundred twenty-one billion, three hundred ten million, one hundred one thousand, one hundred thirty-four".