21122313110102 has 8 divisors (see below), whose sum is σ = 31695557986512. Its totient is φ = 10557127114600.

The previous prime is 21122313110083. The next prime is 21122313110131. The reversal of 21122313110102 is 20101131322112.

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

It is a super-2 number, since 2×21122313110102² (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, 2014713674 + ... + 2014724157.

It is an arithmetic number, because the mean of its divisors is an integer number (3961944748314).

Almost surely, 2^{21122313110102} is an apocalyptic number.

21122313110102 is a deficient number, since it is larger than the sum of its proper divisors (10573244876410).

21122313110102 is a wasteful number, since it uses less digits than its factorization.

21122313110102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4029440454.

The product of its (nonzero) digits is 144, while the sum is 20.

Adding to 21122313110102 its reverse (20101131322112), we get a palindrome (41223444432214).

The spelling of 21122313110102 in words is "twenty-one trillion, one hundred twenty-two billion, three hundred thirteen million, one hundred ten thousand, one hundred two".