103213030210121 has 24 divisors (see below), whose sum is σ = 111824676512640. Its totient is φ = 95221194494400.

The previous prime is 103213030210049. The next prime is 103213030210123. The reversal of 103213030210121 is 121012030312301.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-103213030210121 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 103213030210093 and 103213030210102.

It is not an unprimeable number, because it can be changed into a prime (103213030210123) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2444568791 + ... + 2444611011.

It is an arithmetic number, because the mean of its divisors is an integer number (4659361521360).

Almost surely, 2^{103213030210121} is an apocalyptic number.

It is an amenable number.

103213030210121 is a deficient number, since it is larger than the sum of its proper divisors (8611646302519).

103213030210121 is a wasteful number, since it uses less digits than its factorization.

103213030210121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49857 (or 49844 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 103213030210121 its reverse (121012030312301), we get a palindrome (224225060522422).

The spelling of 103213030210121 in words is "one hundred three trillion, two hundred thirteen billion, thirty million, two hundred ten thousand, one hundred twenty-one".