120021010267 has 2 divisors, whose sum is σ = 120021010268. Its totient is φ = 120021010266.

The previous prime is 120021010199. The next prime is 120021010271. The reversal of 120021010267 is 762010120021.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-120021010267 is a prime.

It is a super-2 number, since 2×120021010267² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (120021050267) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60010505133 + 60010505134.

It is an arithmetic number, because the mean of its divisors is an integer number (60010505134).

Almost surely, 2^120021010267 is an apocalyptic number.

120021010267 is a deficient number, since it is larger than the sum of its proper divisors (1).

120021010267 is an equidigital number, since it uses as much as digits as its factorization.

120021010267 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 336, while the sum is 22.

Adding to 120021010267 its reverse (762010120021), we get a palindrome (882031130288).

The spelling of 120021010267 in words is "one hundred twenty billion, twenty-one million, ten thousand, two hundred sixty-seven".