10221212202022 has 4 divisors (see below), whose sum is σ = 15331818303036. Its totient is φ = 5110606101010.

The previous prime is 10221212201987. The next prime is 10221212202043. The reversal of 10221212202022 is 22020221212201.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2555303050504 + ... + 2555303050507.

It is an arithmetic number, because the mean of its divisors is an integer number (3832954575759).

Almost surely, 2^{10221212202022} is an apocalyptic number.

10221212202022 is a deficient number, since it is larger than the sum of its proper divisors (5110606101014).

10221212202022 is an equidigital number, since it uses as much as digits as its factorization.

10221212202022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5110606101013.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 10221212202022 its reverse (22020221212201), we get a palindrome (32241433414223).

The spelling of 10221212202022 in words is "ten trillion, two hundred twenty-one billion, two hundred twelve million, two hundred two thousand, twenty-two".