213103021010 has 64 divisors (see below), whose sum is σ = 429832272384. Its totient is φ = 75404524800.

The previous prime is 213103020979. The next prime is 213103021013. The reversal of 213103021010 is 10120301312.

It is not an unprimeable number, because it can be changed into a prime (213103021013) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 775280 + ... + 1013540.

It is an arithmetic number, because the mean of its divisors is an integer number (6716129256).

Almost surely, 2^213103021010 is an apocalyptic number.

213103021010 is an abundant number, since it is smaller than the sum of its proper divisors (216729251374).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

213103021010 is a wasteful number, since it uses less digits than its factorization.

213103021010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 238499.

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 213103021010 its reverse (10120301312), we get a palindrome (223223322322).

It can be divided in two parts, 21310302 and 1010, that added together give a palindrome (21311312).

The spelling of 213103021010 in words is "two hundred thirteen billion, one hundred three million, twenty-one thousand, ten".