121086882493 has 2 divisors, whose sum is σ = 121086882494. Its totient is φ = 121086882492.

The previous prime is 121086882467. The next prime is 121086882517. The reversal of 121086882493 is 394288680121.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 85882991364 + 35203891129 = 293058^2 + 187627^2 .

It is a cyclic number.

It is not a de Polignac number, because 121086882493 - 2¹³ = 121086874301 is a prime.

It is a super-2 number, since 2×121086882493² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 121086882493.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121086882443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60543441246 + 60543441247.

It is an arithmetic number, because the mean of its divisors is an integer number (60543441247).

Almost surely, 2^121086882493 is an apocalyptic number.

It is an amenable number.

121086882493 is a deficient number, since it is larger than the sum of its proper divisors (1).

121086882493 is an equidigital number, since it uses as much as digits as its factorization.

121086882493 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1327104, while the sum is 52.

The spelling of 121086882493 in words is "one hundred twenty-one billion, eighty-six million, eight hundred eighty-two thousand, four hundred ninety-three".