121347531083 has 2 divisors, whose sum is σ = 121347531084. Its totient is φ = 121347531082.

The previous prime is 121347531047. The next prime is 121347531091. The reversal of 121347531083 is 380135743121.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 121347531083 - 2⁸ = 121347530827 is a prime.

It is not a weakly prime, because it can be changed into another prime (121347531013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60673765541 + 60673765542.

It is an arithmetic number, because the mean of its divisors is an integer number (60673765542).

Almost surely, 2^121347531083 is an apocalyptic number.

121347531083 is a deficient number, since it is larger than the sum of its proper divisors (1).

121347531083 is an equidigital number, since it uses as much as digits as its factorization.

121347531083 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 60480, while the sum is 38.

The spelling of 121347531083 in words is "one hundred twenty-one billion, three hundred forty-seven million, five hundred thirty-one thousand, eighty-three".