10021221220022 has 32 divisors (see below), whose sum is σ = 15454822152000. Its totient is φ = 4872025179648.

The previous prime is 10021221220019. The next prime is 10021221220039. The reversal of 10021221220022 is 22002212212001.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1584698 + ... + 4749074.

It is an arithmetic number, because the mean of its divisors is an integer number (482963192250).

Almost surely, 2^{10021221220022} is an apocalyptic number.

10021221220022 is a deficient number, since it is larger than the sum of its proper divisors (5433600931978).

10021221220022 is a wasteful number, since it uses less digits than its factorization.

10021221220022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3164760.

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

Adding to 10021221220022 its reverse (22002212212001), we get a palindrome (32023433432023).

The spelling of 10021221220022 in words is "ten trillion, twenty-one billion, two hundred twenty-one million, two hundred twenty thousand, twenty-two".