120021122021147 has 2 divisors, whose sum is σ = 120021122021148. Its totient is φ = 120021122021146.

The previous prime is 120021122021081. The next prime is 120021122021221. The reversal of 120021122021147 is 741120221120021.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 120021122021147 - 2²⁴ = 120021105243931 is a prime.

It is not a weakly prime, because it can be changed into another prime (120021122021347) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60010561010573 + 60010561010574.

It is an arithmetic number, because the mean of its divisors is an integer number (60010561010574).

Almost surely, 2^{120021122021147} is an apocalyptic number.

120021122021147 is a deficient number, since it is larger than the sum of its proper divisors (1).

120021122021147 is an equidigital number, since it uses as much as digits as its factorization.

120021122021147 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 896, while the sum is 26.

Adding to 120021122021147 its reverse (741120221120021), we get a palindrome (861141343141168).

The spelling of 120021122021147 in words is "one hundred twenty trillion, twenty-one billion, one hundred twenty-two million, twenty-one thousand, one hundred forty-seven".