20110212101100 has 144 divisors (see below), whose sum is σ = 63931799352960. Its totient is φ = 4840129420800.

The previous prime is 20110212101047. The next prime is 20110212101101. The reversal of 20110212101100 is 110121201102.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is not an unprimeable number, because it can be changed into a prime (20110212101101) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 21462177 + ... + 22379576.

It is an arithmetic number, because the mean of its divisors is an integer number (443970828840).

Almost surely, 2^{20110212101100} is an apocalyptic number.

20110212101100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20110212101100 is an abundant number, since it is smaller than the sum of its proper divisors (43821587251860).

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

20110212101100 is a wasteful number, since it uses less digits than its factorization.

20110212101100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43841920 (or 43841913 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 20110212101100 its reverse (110121201102), we get a palindrome (20220333302202).

The spelling of 20110212101100 in words is "twenty trillion, one hundred ten billion, two hundred twelve million, one hundred one thousand, one hundred".