10021222010121 has 32 divisors (see below), whose sum is σ = 15510211261440. Its totient is φ = 5636626750656.

The previous prime is 10021222010077. The next prime is 10021222010161. The reversal of 10021222010121 is 12101022212001.

It is not a de Polignac number, because 10021222010121 - 2¹³ = 10021222001929 is a prime.

It is a super-2 number, since 2×10021222010121² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 10021222010121.

It is not an unprimeable number, because it can be changed into a prime (10021222010161) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 885766 + ... + 4563663.

It is an arithmetic number, because the mean of its divisors is an integer number (484694101920).

Almost surely, 2^{10021222010121} is an apocalyptic number.

It is an amenable number.

10021222010121 is a deficient number, since it is larger than the sum of its proper divisors (5488989251319).

10021222010121 is a wasteful number, since it uses less digits than its factorization.

10021222010121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5450813.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 10021222010121 its reverse (12101022212001), we get a palindrome (22122244222122).

The spelling of 10021222010121 in words is "ten trillion, twenty-one billion, two hundred twenty-two million, ten thousand, one hundred twenty-one".