120002102022001 has 4 divisors (see below), whose sum is σ = 120003007222900. Its totient is φ = 120001196821104.

The previous prime is 120002102021987. The next prime is 120002102022097. The reversal of 120002102022001 is 100220201200021.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 50406464262001 + 69595637760000 = 7099751^2 + 8342400^2 .

It is a cyclic number.

It is not a de Polignac number, because 120002102022001 - 2⁹ = 120002102021489 is a prime.

It is a super-3 number, since 3×120002102022001³ (a number of 43 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120002102022701) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 452401566 + ... + 452666743.

It is an arithmetic number, because the mean of its divisors is an integer number (30000751805725).

Almost surely, 2^{120002102022001} is an apocalyptic number.

It is an amenable number.

120002102022001 is a deficient number, since it is larger than the sum of its proper divisors (905200899).

120002102022001 is an equidigital number, since it uses as much as digits as its factorization.

120002102022001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 905200898.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 120002102022001 its reverse (100220201200021), we get a palindrome (220222303222022).

The spelling of 120002102022001 in words is "one hundred twenty trillion, two billion, one hundred two million, twenty-two thousand, one".