10221221211022 has 8 divisors (see below), whose sum is σ = 15331857870672. Its totient is φ = 5110601920800.

The previous prime is 10221221211011. The next prime is 10221221211043. The reversal of 10221221211022 is 22011212212201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2755179 + ... + 5294662.

It is an arithmetic number, because the mean of its divisors is an integer number (1916482233834).

Almost surely, 2^{10221221211022} is an apocalyptic number.

10221221211022 is a deficient number, since it is larger than the sum of its proper divisors (5110636659650).

10221221211022 is an equidigital number, since it uses as much as digits as its factorization.

10221221211022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8684714.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 10221221211022 its reverse (22011212212201), we get a palindrome (32232433423223).

The spelling of 10221221211022 in words is "ten trillion, two hundred twenty-one billion, two hundred twenty-one million, two hundred eleven thousand, twenty-two".