213103121101030 has 16 divisors (see below), whose sum is σ = 384501096791280. Its totient is φ = 85037808704992.

The previous prime is 213103121101009. The next prime is 213103121101033. The reversal of 213103121101030 is 30101121301312.

It is a junction number, because it is equal to n+sod(n) for n = 213103121100989 and 213103121101007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213103121101033) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25429962529 + ... + 25429970908.

It is an arithmetic number, because the mean of its divisors is an integer number (24031318549455).

Almost surely, 2^{213103121101030} is an apocalyptic number.

213103121101030 is a deficient number, since it is larger than the sum of its proper divisors (171397975690250).

213103121101030 is a wasteful number, since it uses less digits than its factorization.

213103121101030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50859933863.

The product of its (nonzero) digits is 108, while the sum is 19.

Adding to 213103121101030 its reverse (30101121301312), we get a palindrome (243204242402342).

The spelling of 213103121101030 in words is "two hundred thirteen trillion, one hundred three billion, one hundred twenty-one million, one hundred one thousand, thirty".