20022121120002 has 16 divisors (see below), whose sum is σ = 40044314170080. Its totient is φ = 6674028384992.

The previous prime is 20022121119989. The next prime is 20022121120039. The reversal of 20022121120002 is 20002112122002.

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, 1039798 + ... + 6412910.

It is an arithmetic number, because the mean of its divisors is an integer number (2502769635630).

Almost surely, 2^{20022121120002} is an apocalyptic number.

20022121120002 is an abundant number, since it is smaller than the sum of its proper divisors (20022193050078).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20022121120002 is a wasteful number, since it uses less digits than its factorization.

20022121120002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5994177.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 20022121120002 its reverse (20002112122002), we get a palindrome (40024233242004).

The spelling of 20022121120002 in words is "twenty trillion, twenty-two billion, one hundred twenty-one million, one hundred twenty thousand, two".