10121021222 has 16 divisors (see below), whose sum is σ = 16440686640. Its totient is φ = 4645142112.

The previous prime is 10121021149. The next prime is 10121021263. The reversal of 10121021222 is 22212012101.

It is a junction number, because it is equal to n+sod(n) for n = 10121021197 and 10121021206.

It is a congruent number.

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, 1082693 + ... + 1092000.

It is an arithmetic number, because the mean of its divisors is an integer number (1027542915).

Almost surely, 2^10121021222 is an apocalyptic number.

10121021222 is a deficient number, since it is larger than the sum of its proper divisors (6319665418).

10121021222 is a wasteful number, since it uses less digits than its factorization.

10121021222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2174887.

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

Adding to 10121021222 its reverse (22212012101), we get a palindrome (32333033323).

The spelling of 10121021222 in words is "ten billion, one hundred twenty-one million, twenty-one thousand, two hundred twenty-two".