10021221120002 has 16 divisors (see below), whose sum is σ = 15044641443072. Its totient is φ = 5006340924000.

The previous prime is 10021221119963. The next prime is 10021221120007. The reversal of 10021221120002 is 20002112212001.

It is not an unprimeable number, because it can be changed into a prime (10021221120007) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 99626678 + ... + 99727214.

It is an arithmetic number, because the mean of its divisors is an integer number (940290090192).

Almost surely, 2^{10021221120002} is an apocalyptic number.

10021221120002 is a deficient number, since it is larger than the sum of its proper divisors (5023420323070).

10021221120002 is a wasteful number, since it uses less digits than its factorization.

10021221120002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142513.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 10021221120002 its reverse (20002112212001), we get a palindrome (30023333332003).

The spelling of 10021221120002 in words is "ten trillion, twenty-one billion, two hundred twenty-one million, one hundred twenty thousand, two".