10221212022222 has 32 divisors (see below), whose sum is σ = 20547839293344. Its totient is φ = 3389529830400.

The previous prime is 10221212022167. The next prime is 10221212022233. The reversal of 10221212022222 is 22222021212201.

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, 2103279 + ... + 4986602.

It is an arithmetic number, because the mean of its divisors is an integer number (642119977917).

Almost surely, 2^{10221212022222} is an apocalyptic number.

10221212022222 is an abundant number, since it is smaller than the sum of its proper divisors (10326627271122).

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

10221212022222 is a wasteful number, since it uses less digits than its factorization.

10221212022222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7091124.

The product of its (nonzero) digits is 512, while the sum is 21.

Adding to 10221212022222 its reverse (22222021212201), we get a palindrome (32443233234423).

The spelling of 10221212022222 in words is "ten trillion, two hundred twenty-one billion, two hundred twelve million, twenty-two thousand, two hundred twenty-two".