121122231200103 has 64 divisors (see below), whose sum is σ = 194139690319872. Its totient is φ = 65716341102720.

The previous prime is 121122231199969. The next prime is 121122231200149. The reversal of 121122231200103 is 301002132221121.

It is not a de Polignac number, because 121122231200103 - 2¹³ = 121122231191911 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 121122231200103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121122231200153) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 35208988 + ... + 38495678.

It is an arithmetic number, because the mean of its divisors is an integer number (3033432661248).

Almost surely, 2^{121122231200103} is an apocalyptic number.

121122231200103 is a deficient number, since it is larger than the sum of its proper divisors (73017459119769).

121122231200103 is a wasteful number, since it uses less digits than its factorization.

121122231200103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3287884.

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 121122231200103 its reverse (301002132221121), we get a palindrome (422124363421224).

The spelling of 121122231200103 in words is "one hundred twenty-one trillion, one hundred twenty-two billion, two hundred thirty-one million, two hundred thousand, one hundred three".