21122101000102 has 8 divisors (see below), whose sum is σ = 31683376771200. Its totient is φ = 10560975409704.

The previous prime is 21122101000037. The next prime is 21122101000109. The reversal of 21122101000102 is 20100010122112.

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

It is a super-2 number, since 2×21122101000102² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21122101000109) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37192902 + ... + 37756537.

It is an arithmetic number, because the mean of its divisors is an integer number (3960422096400).

Almost surely, 2^{21122101000102} is an apocalyptic number.

21122101000102 is a deficient number, since it is larger than the sum of its proper divisors (10561275771098).

21122101000102 is a wasteful number, since it uses less digits than its factorization.

21122101000102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75090350.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 21122101000102 its reverse (20100010122112), we get a palindrome (41222111122214).

The spelling of 21122101000102 in words is "twenty-one trillion, one hundred twenty-two billion, one hundred one million, one hundred two", and thus it is an aban number.