21110100001102 has 8 divisors (see below), whose sum is σ = 36188742859056. Its totient is φ = 9047185714752.

The previous prime is 21110100001093. The next prime is 21110100001103. The reversal of 21110100001102 is 20110000101112.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21110100001103) 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, 753932142883 + ... + 753932142910.

It is an arithmetic number, because the mean of its divisors is an integer number (4523592857382).

Almost surely, 2^{21110100001102} is an apocalyptic number.

21110100001102 is a deficient number, since it is larger than the sum of its proper divisors (15078642857954).

21110100001102 is a wasteful number, since it uses less digits than its factorization.

21110100001102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1507864285802.

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 21110100001102 its reverse (20110000101112), we get a palindrome (41220100102214).

The spelling of 21110100001102 in words is "twenty-one trillion, one hundred ten billion, one hundred million, one thousand, one hundred two".