10121220221222 has 64 divisors (see below), whose sum is σ = 17824501536768. Its totient is φ = 4259039232000.

The previous prime is 10121220221209. The next prime is 10121220221269. The reversal of 10121220221222 is 22212202212101.

It is a super-2 number, since 2×10121220221222² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10121220221194 and 10121220221203.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11002598 + ... + 11886950.

It is an arithmetic number, because the mean of its divisors is an integer number (278507836512).

Almost surely, 2^{10121220221222} is an apocalyptic number.

10121220221222 is a deficient number, since it is larger than the sum of its proper divisors (7703281315546).

10121220221222 is a wasteful number, since it uses less digits than its factorization.

10121220221222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 884885.

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 10121220221222 its reverse (22212202212101), we get a palindrome (32333422433323).

The spelling of 10121220221222 in words is "ten trillion, one hundred twenty-one billion, two hundred twenty million, two hundred twenty-one thousand, two hundred twenty-two".