103121022002 has 4 divisors (see below), whose sum is σ = 154681533006. Its totient is φ = 51560511000.

The previous prime is 103121022001. The next prime is 103121022061. The reversal of 103121022002 is 200220121301.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 200220121301 = 919 ⋅217867379.

It can be written as a sum of positive squares in only one way, i.e., 76418520721 + 26702501281 = 276439^2 + 163409^2 .

It is not an unprimeable number, because it can be changed into a prime (103121022001) 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 as a sum of consecutive naturals, namely, 25780255499 + ... + 25780255502.

Almost surely, 2^103121022002 is an apocalyptic number.

103121022002 is a deficient number, since it is larger than the sum of its proper divisors (51560511004).

103121022002 is an equidigital number, since it uses as much as digits as its factorization.

103121022002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51560511003.

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 103121022002 its reverse (200220121301), we get a palindrome (303341143303).

The spelling of 103121022002 in words is "one hundred three billion, one hundred twenty-one million, twenty-two thousand, two".