121112411054153 has 8 divisors (see below), whose sum is σ = 124517904108360. Its totient is φ = 117713875086720.

The previous prime is 121112411054149. The next prime is 121112411054189. The reversal of 121112411054153 is 351450114211121.

It can be written as a sum of positive squares in 4 ways, for example, as 19876857972409 + 101235553081744 = 4458347^2 + 10061588^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 121112411054153 - 2² = 121112411054149 is a prime.

It is a super-2 number, since 2×121112411054153² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121112411054053) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1739236388 + ... + 1739306021.

It is an arithmetic number, because the mean of its divisors is an integer number (15564738013545).

Almost surely, 2^{121112411054153} is an apocalyptic number.

It is an amenable number.

121112411054153 is a deficient number, since it is larger than the sum of its proper divisors (3405493054207).

121112411054153 is an equidigital number, since it uses as much as digits as its factorization.

121112411054153 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3478543387.

The product of its (nonzero) digits is 4800, while the sum is 32.

Adding to 121112411054153 its reverse (351450114211121), we get a palindrome (472562525265274).

The spelling of 121112411054153 in words is "one hundred twenty-one trillion, one hundred twelve billion, four hundred eleven million, fifty-four thousand, one hundred fifty-three".