21122201210102 has 8 divisors (see below), whose sum is σ = 31973974309200. Its totient is φ = 10464209773704.

The previous prime is 21122201210087. The next prime is 21122201210113. The reversal of 21122201210102 is 20101210222112.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×21122201210102² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 48445415402 + ... + 48445415837.

It is an arithmetic number, because the mean of its divisors is an integer number (3996746788650).

Almost surely, 2^{21122201210102} is an apocalyptic number.

21122201210102 is a deficient number, since it is larger than the sum of its proper divisors (10851773099098).

21122201210102 is a wasteful number, since it uses less digits than its factorization.

21122201210102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96890831350.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 21122201210102 its reverse (20101210222112), we get a palindrome (41223411432214).

The spelling of 21122201210102 in words is "twenty-one trillion, one hundred twenty-two billion, two hundred one million, two hundred ten thousand, one hundred two".