20111204140210 has 16 divisors (see below), whose sum is σ = 36970383782016. Its totient is φ = 7873322471728.

The previous prime is 20111204140201. The next prime is 20111204140297. The reversal of 20111204140210 is 1204140211102.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21394897552 + ... + 21394898491.

It is an arithmetic number, because the mean of its divisors is an integer number (2310648986376).

Almost surely, 2^{20111204140210} is an apocalyptic number.

20111204140210 is a deficient number, since it is larger than the sum of its proper divisors (16859179641806).

20111204140210 is a wasteful number, since it uses less digits than its factorization.

20111204140210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42789796097.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 20111204140210 its reverse (1204140211102), we get a palindrome (21315344351312).

The spelling of 20111204140210 in words is "twenty trillion, one hundred eleven billion, two hundred four million, one hundred forty thousand, two hundred ten".