22121022011203 has 16 divisors (see below), whose sum is σ = 22254508410784. Its totient is φ = 21987968970240.

The previous prime is 22121022011191. The next prime is 22121022011243. The reversal of 22121022011203 is 30211022012122.

It is a cyclic number.

It is not a de Polignac number, because 22121022011203 - 2⁹ = 22121022010691 is a prime.

It is a super-2 number, since 2×22121022011203² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22121022011243) by changing a digit.

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, 263752651 + ... + 263836507.

It is an arithmetic number, because the mean of its divisors is an integer number (1390906775674).

Almost surely, 2^{22121022011203} is an apocalyptic number.

22121022011203 is a deficient number, since it is larger than the sum of its proper divisors (133486399581).

22121022011203 is a wasteful number, since it uses less digits than its factorization.

22121022011203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86422.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 22121022011203 its reverse (30211022012122), we get a palindrome (52332044023325).

The spelling of 22121022011203 in words is "twenty-two trillion, one hundred twenty-one billion, twenty-two million, eleven thousand, two hundred three".