20212122210002 has 8 divisors (see below), whose sum is σ = 31636365198336. Its totient is φ = 9666667143892.

The previous prime is 20212122210001. The next prime is 20212122210121. The reversal of 20212122210002 is 20001222121202.

It is a happy number.

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

It is a super-2 number, since 2×20212122210002² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20212122210001) 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, 219696980498 + ... + 219696980589.

It is an arithmetic number, because the mean of its divisors is an integer number (3954545649792).

Almost surely, 2^{20212122210002} is an apocalyptic number.

20212122210002 is a deficient number, since it is larger than the sum of its proper divisors (11424242988334).

20212122210002 is a wasteful number, since it uses less digits than its factorization.

20212122210002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 439393961112.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 20212122210002 its reverse (20001222121202), we get a palindrome (40213344331204).

The spelling of 20212122210002 in words is "twenty trillion, two hundred twelve billion, one hundred twenty-two million, two hundred ten thousand, two".