21101308094 has 32 divisors (see below), whose sum is σ = 33773967360. Its totient is φ = 9864587392.

The previous prime is 21101308093. The next prime is 21101308127. The reversal of 21101308094 is 49080310112.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21101308093) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1808102 + ... + 1819734.

It is an arithmetic number, because the mean of its divisors is an integer number (1055436480).

Almost surely, 2^21101308094 is an apocalyptic number.

21101308094 is a deficient number, since it is larger than the sum of its proper divisors (12672659266).

21101308094 is a wasteful number, since it uses less digits than its factorization.

21101308094 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12544.

The product of its (nonzero) digits is 1728, while the sum is 29.

The spelling of 21101308094 in words is "twenty-one billion, one hundred one million, three hundred eight thousand, ninety-four".