22121022012202 has 32 divisors (see below), whose sum is σ = 33788134080000. Its totient is φ = 10858805573616.

The previous prime is 22121022012197. The next prime is 22121022012217. The reversal of 22121022012202 is 20221022012122.

It is a super-2 number, since 2×22121022012202² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 22121022012202.

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, 1017562249 + ... + 1017583987.

It is an arithmetic number, because the mean of its divisors is an integer number (1055879190000).

Almost surely, 2^{22121022012202} is an apocalyptic number.

22121022012202 is a deficient number, since it is larger than the sum of its proper divisors (11667112067798).

22121022012202 is a wasteful number, since it uses less digits than its factorization.

22121022012202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32698.

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

Adding to 22121022012202 its reverse (20221022012122), we get a palindrome (42342044024324).

The spelling of 22121022012202 in words is "twenty-two trillion, one hundred twenty-one billion, twenty-two million, twelve thousand, two hundred two".