111212021221202 has 32 divisors (see below), whose sum is σ = 183798002876544. Its totient is φ = 50046906832000.

The previous prime is 111212021221159. The next prime is 111212021221211. The reversal of 111212021221202 is 202122120212111.

It is a super-2 number, since 2×111212021221202² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30087878 + ... + 33581310.

It is an arithmetic number, because the mean of its divisors is an integer number (5743687589892).

Almost surely, 2^{111212021221202} is an apocalyptic number.

111212021221202 is a deficient number, since it is larger than the sum of its proper divisors (72585981655342).

111212021221202 is a wasteful number, since it uses less digits than its factorization.

111212021221202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3507874.

The product of its (nonzero) digits is 128, while the sum is 20.

Adding to 111212021221202 its reverse (202122120212111), we get a palindrome (313334141433313).

It can be divided in two parts, 1112120 and 21221202, that added together give a palindrome (22333322).

The spelling of 111212021221202 in words is "one hundred eleven trillion, two hundred twelve billion, twenty-one million, two hundred twenty-one thousand, two hundred two".