20120211110 has 32 divisors (see below), whose sum is σ = 38386084032. Its totient is φ = 7566899200.

The previous prime is 20120211091. The next prime is 20120211113. The reversal of 20120211110 is 1111202102.

It is a super-2 number, since 2×20120211110² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20120211091 and 20120211100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20120211113) 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, 106910 + ... + 227310.

It is an arithmetic number, because the mean of its divisors is an integer number (1199565126).

Almost surely, 2^20120211110 is an apocalyptic number.

20120211110 is a deficient number, since it is larger than the sum of its proper divisors (18265872922).

20120211110 is a wasteful number, since it uses less digits than its factorization.

20120211110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121408.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 20120211110 its reverse (1111202102), we get a palindrome (21231413212).

The spelling of 20120211110 in words is "twenty billion, one hundred twenty million, two hundred eleven thousand, one hundred ten".