20212022120002 has 4 divisors (see below), whose sum is σ = 30318033180006. Its totient is φ = 10106011060000.

The previous prime is 20212022119907. The next prime is 20212022120009. The reversal of 20212022120002 is 20002122021202.

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

It can be written as a sum of positive squares in only one way, i.e., 20062972847241 + 149049272761 = 4479171^2 + 386069^2 .

It is not an unprimeable number, because it can be changed into a prime (20212022120009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5053005529999 + ... + 5053005530002.

Almost surely, 2^{20212022120002} is an apocalyptic number.

20212022120002 is a deficient number, since it is larger than the sum of its proper divisors (10106011060004).

20212022120002 is a wasteful number, since it uses less digits than its factorization.

20212022120002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10106011060003.

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 20212022120002 its reverse (20002122021202), we get a palindrome (40214144141204).

The spelling of 20212022120002 in words is "twenty trillion, two hundred twelve billion, twenty-two million, one hundred twenty thousand, two".