111211201002 has 64 divisors (see below), whose sum is σ = 248121667584. Its totient is φ = 32941218240.

The previous prime is 111211200979. The next prime is 111211201061. The reversal of 111211201002 is 200102112111.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2449803 + ... + 2494785.

It is an arithmetic number, because the mean of its divisors is an integer number (3876901056).

Almost surely, 2^111211201002 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 111211201002, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (124060833792).

111211201002 is an abundant number, since it is smaller than the sum of its proper divisors (136910466582).

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

111211201002 is a wasteful number, since it uses less digits than its factorization.

111211201002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45843.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 111211201002 its reverse (200102112111), we get a palindrome (311313313113).

It can be divided in two parts, 111211 and 201002, that added together give a palindrome (312213).

The spelling of 111211201002 in words is "one hundred eleven billion, two hundred eleven million, two hundred one thousand, two".