111211120001002 has 48 divisors (see below), whose sum is σ = 204368130116640. Its totient is φ = 45130661164512.

The previous prime is 111211120000969. The next prime is 111211120001039. The reversal of 111211120001002 is 200100021112111.

It is a happy number.

It is a super-3 number, since 3×111211120001002³ (a number of 43 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11329573 + ... + 18729160.

It is an arithmetic number, because the mean of its divisors is an integer number (4257669377430).

Almost surely, 2^{111211120001002} is an apocalyptic number.

111211120001002 is a deficient number, since it is larger than the sum of its proper divisors (93157010115638).

111211120001002 is a wasteful number, since it uses less digits than its factorization.

111211120001002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30060755 (or 30060748 counting only the distinct ones).

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

Adding to 111211120001002 its reverse (200100021112111), we get a palindrome (311311141113113).

The spelling of 111211120001002 in words is "one hundred eleven trillion, two hundred eleven billion, one hundred twenty million, one thousand, two".