21100011121110 has 32 divisors (see below), whose sum is σ = 50642233632000. Its totient is φ = 5626424416608.

The previous prime is 21100011121103. The next prime is 21100011121127. The reversal of 21100011121110 is 1112111000112.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14625610 + ... + 16003389.

It is an arithmetic number, because the mean of its divisors is an integer number (1582569801000).

Almost surely, 2^{21100011121110} is an apocalyptic number.

21100011121110 is an abundant number, since it is smaller than the sum of its proper divisors (29542222510890).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

21100011121110 is a wasteful number, since it uses less digits than its factorization.

21100011121110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30651972.

The product of its (nonzero) digits is 4, while the sum is 12.

Adding to 21100011121110 its reverse (1112111000112), we get a palindrome (22212122121222).

The spelling of 21100011121110 in words is "twenty-one trillion, one hundred billion, eleven million, one hundred twenty-one thousand, one hundred ten".