120021102222001 has 2 divisors, whose sum is σ = 120021102222002. Its totient is φ = 120021102222000.

The previous prime is 120021102221947. The next prime is 120021102222103. The reversal of 120021102222001 is 100222201120021.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 104545533012001 + 15475569210000 = 10224751^2 + 3933900^2 .

It is a cyclic number.

It is not a de Polignac number, because 120021102222001 - 2¹³ = 120021102213809 is a prime.

It is not a weakly prime, because it can be changed into another prime (120021105222001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60010551111000 + 60010551111001.

It is an arithmetic number, because the mean of its divisors is an integer number (60010551111001).

Almost surely, 2^{120021102222001} is an apocalyptic number.

It is an amenable number.

120021102222001 is a deficient number, since it is larger than the sum of its proper divisors (1).

120021102222001 is an equidigital number, since it uses as much as digits as its factorization.

120021102222001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 120021102222001 its reverse (100222201120021), we get a palindrome (220243303342022).

The spelling of 120021102222001 in words is "one hundred twenty trillion, twenty-one billion, one hundred two million, two hundred twenty-two thousand, one".