120002211022021 has 8 divisors (see below), whose sum is σ = 120014717396184. Its totient is φ = 119989705198080.

The previous prime is 120002211022007. The next prime is 120002211022079. The reversal of 120002211022021 is 120220112200021.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 2056399020225 + 117945812001796 = 1434015^2 + 10860286^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 120002211022021 - 2¹⁹ = 120002210497733 is a prime.

It is a super-3 number, since 3×120002211022021³ (a number of 43 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 120002211021986 and 120002211022004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120002211002021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 542952291 + ... + 543173263.

It is an arithmetic number, because the mean of its divisors is an integer number (15001839674523).

Almost surely, 2^{120002211022021} is an apocalyptic number.

It is an amenable number.

120002211022021 is a deficient number, since it is larger than the sum of its proper divisors (12506374163).

120002211022021 is a wasteful number, since it uses less digits than its factorization.

120002211022021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 275111.

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

Adding to 120002211022021 its reverse (120220112200021), we get a palindrome (240222323222042).

The spelling of 120002211022021 in words is "one hundred twenty trillion, two billion, two hundred eleven million, twenty-two thousand, twenty-one".