10421020222 has 4 divisors (see below), whose sum is σ = 15631530336. Its totient is φ = 5210510110.

The previous prime is 10421020147. The next prime is 10421020249. The reversal of 10421020222 is 22202012401.

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

It is a junction number, because it is equal to n+sod(n) for n = 10421020196 and 10421020205.

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, 2605255054 + ... + 2605255057.

It is an arithmetic number, because the mean of its divisors is an integer number (3907882584).

Almost surely, 2^10421020222 is an apocalyptic number.

10421020222 is a deficient number, since it is larger than the sum of its proper divisors (5210510114).

10421020222 is an equidigital number, since it uses as much as digits as its factorization.

10421020222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5210510113.

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 10421020222 its reverse (22202012401), we get a palindrome (32623032623).

The spelling of 10421020222 in words is "ten billion, four hundred twenty-one million, twenty thousand, two hundred twenty-two".