119538473503021 has 2 divisors, whose sum is σ = 119538473503022. Its totient is φ = 119538473503020.

The previous prime is 119538473503019. The next prime is 119538473503109. The reversal of 119538473503021 is 120305374835911.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 68442711006121 + 51095762496900 = 8273011^2 + 7148130^2 .

It is a cyclic number.

It is not a de Polignac number, because 119538473503021 - 2¹ = 119538473503019 is a prime.

It is a super-2 number, since 2×119538473503021² (a number of 29 digits) contains 22 as substring.

Together with 119538473503019, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 119538473503021.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (119538473303021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 59769236751510 + 59769236751511.

It is an arithmetic number, because the mean of its divisors is an integer number (59769236751511).

Almost surely, 2^{119538473503021} is an apocalyptic number.

It is an amenable number.

119538473503021 is a deficient number, since it is larger than the sum of its proper divisors (1).

119538473503021 is an equidigital number, since it uses as much as digits as its factorization.

119538473503021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2721600, while the sum is 52.

The spelling of 119538473503021 in words is "one hundred nineteen trillion, five hundred thirty-eight billion, four hundred seventy-three million, five hundred three thousand, twenty-one".