121011150554741 has 2 divisors, whose sum is σ = 121011150554742. Its totient is φ = 121011150554740.

The previous prime is 121011150554729. The next prime is 121011150554837. The reversal of 121011150554741 is 147455051110121.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 62945912351716 + 58065238203025 = 7933846^2 + 7620055^2 .

It is a cyclic number.

It is not a de Polignac number, because 121011150554741 - 2¹⁸ = 121011150292597 is a prime.

It is a super-4 number, since 4×121011150554741⁴ (a number of 57 digits) contains 4444 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 121011150554695 and 121011150554704.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121011150514741) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60505575277370 + 60505575277371.

It is an arithmetic number, because the mean of its divisors is an integer number (60505575277371).

Almost surely, 2^{121011150554741} is an apocalyptic number.

It is an amenable number.

121011150554741 is a deficient number, since it is larger than the sum of its proper divisors (1).

121011150554741 is an equidigital number, since it uses as much as digits as its factorization.

121011150554741 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 28000, while the sum is 38.

The spelling of 121011150554741 in words is "one hundred twenty-one trillion, eleven billion, one hundred fifty million, five hundred fifty-four thousand, seven hundred forty-one".