21122200101002 has 64 divisors (see below), whose sum is σ = 44778753331200. Its totient is φ = 7196585330880.

The previous prime is 21122200100923. The next prime is 21122200101019. The reversal of 21122200101002 is 20010100222112.

It is a super-2 number, since 2×21122200101002² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (14).

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 31 ways as a sum of consecutive naturals, for example, 277608002 + ... + 277684077.

It is an arithmetic number, because the mean of its divisors is an integer number (699668020800).

Almost surely, 2^{21122200101002} is an apocalyptic number.

21122200101002 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

21122200101002 is an abundant number, since it is smaller than the sum of its proper divisors (23656553230198).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

21122200101002 is a wasteful number, since it uses less digits than its factorization.

21122200101002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 555292131.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 21122200101002 its reverse (20010100222112), we get a palindrome (41132300323114).

The spelling of 21122200101002 in words is "twenty-one trillion, one hundred twenty-two billion, two hundred million, one hundred one thousand, two".