20110101112210 has 32 divisors (see below), whose sum is σ = 39074499325440. Its totient is φ = 7428978879168.

The previous prime is 20110101112207. The next prime is 20110101112219. The reversal of 20110101112210 is 1221110101102.

It is a happy number.

It is a super-2 number, since 2×20110101112210² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20110101112219) 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, 1507497162 + ... + 1507510501.

It is an arithmetic number, because the mean of its divisors is an integer number (1221078103920).

Almost surely, 2^{20110101112210} is an apocalyptic number.

20110101112210 is a deficient number, since it is larger than the sum of its proper divisors (18964398213230).

20110101112210 is a wasteful number, since it uses less digits than its factorization.

20110101112210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3015007722.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 20110101112210 its reverse (1221110101102), we get a palindrome (21331211213312).

The spelling of 20110101112210 in words is "twenty trillion, one hundred ten billion, one hundred one million, one hundred twelve thousand, two hundred ten".