10221012222 has 16 divisors (see below), whose sum is σ = 20564433792. Its totient is φ = 3386602520.

The previous prime is 10221012163. The next prime is 10221012257. The reversal of 10221012222 is 22221012201.

It is a super-3 number, since 3×10221012222³ (a number of 31 digits) contains 333 as substring.

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, 5099304 + ... + 5101307.

It is an arithmetic number, because the mean of its divisors is an integer number (1285277112).

Almost surely, 2^10221012222 is an apocalyptic number.

10221012222 is an abundant number, since it is smaller than the sum of its proper divisors (10343421570).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10221012222 is a wasteful number, since it uses less digits than its factorization.

10221012222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10200783.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 10221012222 its reverse (22221012201), we get a palindrome (32442024423).

The spelling of 10221012222 in words is "ten billion, two hundred twenty-one million, twelve thousand, two hundred twenty-two".