111101121202 has 8 divisors (see below), whose sum is σ = 167220459756. Its totient is φ = 55360967952.

The previous prime is 111101121143. The next prime is 111101121239. The reversal of 111101121202 is 202121101111.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 93062213721 + 18038907481 = 305061^2 + 134309^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 94795593 + ... + 94796764.

Almost surely, 2^111101121202 is an apocalyptic number.

111101121202 is a deficient number, since it is larger than the sum of its proper divisors (56119338554).

111101121202 is a wasteful number, since it uses less digits than its factorization.

111101121202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 189592652.

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

Adding to 111101121202 its reverse (202121101111), we get a palindrome (313222222313).

The spelling of 111101121202 in words is "one hundred eleven billion, one hundred one million, one hundred twenty-one thousand, two hundred two".