20121100001110 has 32 divisors (see below), whose sum is σ = 36621282745152. Its totient is φ = 7958952867840.

The previous prime is 20121100001081. The next prime is 20121100001111. The reversal of 20121100001110 is 1110000112102.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20121100001111) 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, 7294231 + ... + 9666850.

It is an arithmetic number, because the mean of its divisors is an integer number (1144415085786).

Almost surely, 2^{20121100001110} is an apocalyptic number.

20121100001110 is a deficient number, since it is larger than the sum of its proper divisors (16500182744042).

20121100001110 is a wasteful number, since it uses less digits than its factorization.

20121100001110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16962408.

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

Adding to 20121100001110 its reverse (1110000112102), we get a palindrome (21231100113212).

The spelling of 20121100001110 in words is "twenty trillion, one hundred twenty-one billion, one hundred million, one thousand, one hundred ten".