103221200121111 has 32 divisors (see below), whose sum is σ = 152996896742400. Its totient is φ = 68779668494880.

The previous prime is 103221200121101. The next prime is 103221200121113. The reversal of 103221200121111 is 111121002122301.

It is a happy number.

103221200121111 is a `hidden beast` number, since 1 + 0 + 322 + 120 + 0 + 1 + 211 + 11 = 666.

It is not a de Polignac number, because 103221200121111 - 2²⁷ = 103221065903383 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103221200121113) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 794194750 + ... + 794324708.

It is an arithmetic number, because the mean of its divisors is an integer number (4781153023200).

Almost surely, 2^{103221200121111} is an apocalyptic number.

103221200121111 is a deficient number, since it is larger than the sum of its proper divisors (49775696621289).

103221200121111 is a wasteful number, since it uses less digits than its factorization.

103221200121111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144476 (or 144470 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 18.

Adding to 103221200121111 its reverse (111121002122301), we get a palindrome (214342202243412).

The spelling of 103221200121111 in words is "one hundred three trillion, two hundred twenty-one billion, two hundred million, one hundred twenty-one thousand, one hundred eleven".