111121202102 has 8 divisors (see below), whose sum is σ = 170747213112. Its totient is φ = 54205464400.

The previous prime is 111121202057. The next prime is 111121202107. The reversal of 111121202102 is 201202121111.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111121202107) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 677568224 + ... + 677568387.

It is an arithmetic number, because the mean of its divisors is an integer number (21343401639).

Almost surely, 2^111121202102 is an apocalyptic number.

111121202102 is a deficient number, since it is larger than the sum of its proper divisors (59626011010).

111121202102 is a wasteful number, since it uses less digits than its factorization.

111121202102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1355136654.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 111121202102 its reverse (201202121111), we get a palindrome (312323323213).

The spelling of 111121202102 in words is "one hundred eleven billion, one hundred twenty-one million, two hundred two thousand, one hundred two".