122103210131 has 4 divisors (see below), whose sum is σ = 139546525872. Its totient is φ = 104659894392.

The previous prime is 122103210101. The next prime is 122103210137. The reversal of 122103210131 is 131012301221.

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 122103210131 - 2¹⁸ = 122102947987 is a prime.

It is a super-2 number, since 2×122103210131² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122103210137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8721657860 + ... + 8721657873.

It is an arithmetic number, because the mean of its divisors is an integer number (34886631468).

Almost surely, 2^122103210131 is an apocalyptic number.

122103210131 is a deficient number, since it is larger than the sum of its proper divisors (17443315741).

122103210131 is an equidigital number, since it uses as much as digits as its factorization.

122103210131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17443315740.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 122103210131 its reverse (131012301221), we get a palindrome (253115511352).

The spelling of 122103210131 in words is "one hundred twenty-two billion, one hundred three million, two hundred ten thousand, one hundred thirty-one".