121025035553141 has 4 divisors (see below), whose sum is σ = 123009052529484. Its totient is φ = 119041018576800.

The previous prime is 121025035553119. The next prime is 121025035553153. The reversal of 121025035553141 is 141355530520121.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 64133029056100 + 56892006497041 = 8008310^2 + 7542679^2 .

It is a cyclic number.

It is not a de Polignac number, because 121025035553141 - 2⁴² = 116626989042037 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 121025035553095 and 121025035553104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121025035553101) 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, 992008488080 + ... + 992008488201.

It is an arithmetic number, because the mean of its divisors is an integer number (30752263132371).

Almost surely, 2^{121025035553141} is an apocalyptic number.

It is an amenable number.

121025035553141 is a deficient number, since it is larger than the sum of its proper divisors (1984016976343).

121025035553141 is an equidigital number, since it uses as much as digits as its factorization.

121025035553141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1984016976342.

The product of its (nonzero) digits is 90000, while the sum is 38.

The spelling of 121025035553141 in words is "one hundred twenty-one trillion, twenty-five billion, thirty-five million, five hundred fifty-three thousand, one hundred forty-one".