21100234214102 has 8 divisors (see below), whose sum is σ = 31650482074512. Its totient is φ = 10550073522600.

The previous prime is 21100234214099. The next prime is 21100234214107. The reversal of 21100234214102 is 20141243200112.

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 (21100234214107) 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, 21183674 + ... + 22157357.

It is an arithmetic number, because the mean of its divisors is an integer number (3956310259314).

Almost surely, 2^{21100234214102} is an apocalyptic number.

21100234214102 is a deficient number, since it is larger than the sum of its proper divisors (10550247860410).

21100234214102 is a wasteful number, since it uses less digits than its factorization.

21100234214102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43584454.

The product of its (nonzero) digits is 768, while the sum is 23.

Adding to 21100234214102 its reverse (20141243200112), we get a palindrome (41241477414214).

The spelling of 21100234214102 in words is "twenty-one trillion, one hundred billion, two hundred thirty-four million, two hundred fourteen thousand, one hundred two".