121222003032131 has 4 divisors (see below), whose sum is σ = 121222029111072. Its totient is φ = 121221976953192.

The previous prime is 121222003032107. The next prime is 121222003032139. The reversal of 121222003032131 is 131230300222121.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 121222003032131 - 2²⁶ = 121221935923267 is a prime.

It is a super-2 number, since 2×121222003032131² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 121222003032097 and 121222003032106.

It is not an unprimeable number, because it can be changed into a prime (121222003032139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3959435 + ... + 16066148.

It is an arithmetic number, because the mean of its divisors is an integer number (30305507277768).

Almost surely, 2^{121222003032131} is an apocalyptic number.

121222003032131 is a deficient number, since it is larger than the sum of its proper divisors (26078941).

121222003032131 is an equidigital number, since it uses as much as digits as its factorization.

121222003032131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26078940.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 121222003032131 its reverse (131230300222121), we get a palindrome (252452303254252).

The spelling of 121222003032131 in words is "one hundred twenty-one trillion, two hundred twenty-two billion, three million, thirty-two thousand, one hundred thirty-one".