22121342410 has 16 divisors (see below), whose sum is σ = 39842390016. Its totient is φ = 8843209488.

The previous prime is 22121342393. The next prime is 22121342443. The reversal of 22121342410 is 1424312122.

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, 648474 + ... + 681733.

It is an arithmetic number, because the mean of its divisors is an integer number (2490149376).

Almost surely, 2^22121342410 is an apocalyptic number.

22121342410 is a deficient number, since it is larger than the sum of its proper divisors (17721047606).

22121342410 is a wasteful number, since it uses less digits than its factorization.

22121342410 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1331877.

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 22121342410 its reverse (1424312122), we get a palindrome (23545654532).

The spelling of 22121342410 in words is "twenty-two billion, one hundred twenty-one million, three hundred forty-two thousand, four hundred ten".