121351525141 has 64 divisors (see below), whose sum is σ = 160255180800. Its totient is φ = 89093442240.

The previous prime is 121351525123. The next prime is 121351525151. The reversal of 121351525141 is 141525153121.

It is not a de Polignac number, because 121351525141 - 2¹⁵ = 121351492373 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121351525151) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 36298516 + ... + 36301858.

It is an arithmetic number, because the mean of its divisors is an integer number (2503987200).

Almost surely, 2^121351525141 is an apocalyptic number.

121351525141 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

121351525141 is a deficient number, since it is larger than the sum of its proper divisors (38903655659).

121351525141 is a wasteful number, since it uses less digits than its factorization.

121351525141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3686.

The product of its digits is 6000, while the sum is 31.

Adding to 121351525141 its reverse (141525153121), we get a palindrome (262876678262).

The spelling of 121351525141 in words is "one hundred twenty-one billion, three hundred fifty-one million, five hundred twenty-five thousand, one hundred forty-one".