2120022022001 has 4 divisors (see below), whose sum is σ = 2283100639092. Its totient is φ = 1956943404912.

The previous prime is 2120022021967. The next prime is 2120022022007. The reversal of 2120022022001 is 1002202200212.

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 1429459360000 + 690562662001 = 1195600^2 + 831001^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2120022022001 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2120022022007) 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, 81539308526 + ... + 81539308551.

It is an arithmetic number, because the mean of its divisors is an integer number (570775159773).

Almost surely, 2^{2120022022001} is an apocalyptic number.

It is an amenable number.

2120022022001 is a deficient number, since it is larger than the sum of its proper divisors (163078617091).

2120022022001 is a wasteful number, since it uses less digits than its factorization.

2120022022001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163078617090.

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 2120022022001 its reverse (1002202200212), we get a palindrome (3122224222213).

The spelling of 2120022022001 in words is "two trillion, one hundred twenty billion, twenty-two million, twenty-two thousand, one".