111203013102121 has 4 divisors (see below), whose sum is σ = 111229751027200. Its totient is φ = 111176275177044.

The previous prime is 111203013102107. The next prime is 111203013102133. The reversal of 111203013102121 is 121201310302111.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 111203013102121 - 2⁷ = 111203013101993 is a prime.

It is a super-2 number, since 2×111203013102121² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111203013102191) 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, 13368956301 + ... + 13368964618.

It is an arithmetic number, because the mean of its divisors is an integer number (27807437756800).

Almost surely, 2^{111203013102121} is an apocalyptic number.

It is an amenable number.

111203013102121 is a deficient number, since it is larger than the sum of its proper divisors (26737925079).

111203013102121 is an equidigital number, since it uses as much as digits as its factorization.

111203013102121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26737925078.

The product of its (nonzero) digits is 72, while the sum is 19.

Adding to 111203013102121 its reverse (121201310302111), we get a palindrome (232404323404232).

The spelling of 111203013102121 in words is "one hundred eleven trillion, two hundred three billion, thirteen million, one hundred two thousand, one hundred twenty-one".