21203002030210 has 256 divisors, whose sum is σ = 52701135556608. Its totient is φ = 5928225408000.

The previous prime is 21203002030193. The next prime is 21203002030213. The reversal of 21203002030210 is 1203020030212.

It is not an unprimeable number, because it can be changed into a prime (21203002030213) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 84669685 + ... + 84919735.

It is an arithmetic number, because the mean of its divisors is an integer number (205863810768).

Almost surely, 2^{21203002030210} is an apocalyptic number.

21203002030210 is an abundant number, since it is smaller than the sum of its proper divisors (31498133526398).

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

21203002030210 is a wasteful number, since it uses less digits than its factorization.

21203002030210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 250329.

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 21203002030210 its reverse (1203020030212), we get a palindrome (22406022060422).

The spelling of 21203002030210 in words is "twenty-one trillion, two hundred three billion, two million, thirty thousand, two hundred ten".