20122221020002 has 16 divisors (see below), whose sum is σ = 30610681315200. Its totient is φ = 9918681252480.

The previous prime is 20122221019919. The next prime is 20122221020021. The reversal of 20122221020002 is 20002012222102.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3211302 + ... + 7110337.

It is an arithmetic number, because the mean of its divisors is an integer number (1913167582200).

Almost surely, 2^{20122221020002} is an apocalyptic number.

20122221020002 is a deficient number, since it is larger than the sum of its proper divisors (10488460295198).

20122221020002 is a wasteful number, since it uses less digits than its factorization.

20122221020002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10335441.

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

Adding to 20122221020002 its reverse (20002012222102), we get a palindrome (40124233242104).

The spelling of 20122221020002 in words is "twenty trillion, one hundred twenty-two billion, two hundred twenty-one million, twenty thousand, two".