22122121002010 has 32 divisors (see below), whose sum is σ = 41600765667600. Its totient is φ = 8459124441600.

The previous prime is 22122121001983. The next prime is 22122121002041. The reversal of 22122121002010 is 1020012122122.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 20972488862329 + 1149632139681 = 4579573^2 + 1072209^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 377610195 + ... + 377668774.

Almost surely, 2^{22122121002010} is an apocalyptic number.

22122121002010 is a deficient number, since it is larger than the sum of its proper divisors (19478644665590).

22122121002010 is a wasteful number, since it uses less digits than its factorization.

22122121002010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 755279106.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 22122121002010 its reverse (1020012122122), we get a palindrome (23142133124132).

The spelling of 22122121002010 in words is "twenty-two trillion, one hundred twenty-two billion, one hundred twenty-one million, two thousand, ten".