21122223003002 has 64 divisors (see below), whose sum is σ = 35149572864000. Its totient is φ = 9439473151680.

The previous prime is 21122223002981. The next prime is 21122223003041. The reversal of 21122223003002 is 20030032222112.

It is a happy number.

It is a super-2 number, since 2×21122223003002² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 346695899 + ... + 346756817.

It is an arithmetic number, because the mean of its divisors is an integer number (549212076000).

Almost surely, 2^{21122223003002} is an apocalyptic number.

21122223003002 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

21122223003002 is a deficient number, since it is larger than the sum of its proper divisors (14027349860998).

21122223003002 is a wasteful number, since it uses less digits than its factorization.

21122223003002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61931.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 21122223003002 its reverse (20030032222112), we get a palindrome (41152255225114).

The spelling of 21122223003002 in words is "twenty-one trillion, one hundred twenty-two billion, two hundred twenty-three million, three thousand, two".