111201012212010 has 96 divisors (see below), whose sum is σ = 314195493713472. Its totient is φ = 25111140768000.

The previous prime is 111201012211981. The next prime is 111201012212089. The reversal of 111201012212010 is 10212210102111.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 455582491 + ... + 455826510.

It is an arithmetic number, because the mean of its divisors is an integer number (3272869726182).

Almost surely, 2^{111201012212010} is an apocalyptic number.

111201012212010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

111201012212010 is an abundant number, since it is smaller than the sum of its proper divisors (202994481501462).

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

111201012212010 is a wasteful number, since it uses less digits than its factorization.

111201012212010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 911409108 (or 911409101 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 111201012212010 its reverse (10212210102111), we get a palindrome (121413222314121).

The spelling of 111201012212010 in words is "one hundred eleven trillion, two hundred one billion, twelve million, two hundred twelve thousand, ten".