213102233221020 has 192 divisors, whose sum is σ = 702247166498304. Its totient is φ = 47602509972480.

The previous prime is 213102233221001. The next prime is 213102233221049. The reversal of 213102233221020 is 20122332201312.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 17227267 + ... + 26888346.

It is an arithmetic number, because the mean of its divisors is an integer number (3657537325512).

Almost surely, 2^{213102233221020} is an apocalyptic number.

213102233221020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

213102233221020 is an abundant number, since it is smaller than the sum of its proper divisors (489144933277284).

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

213102233221020 is a wasteful number, since it uses less digits than its factorization.

213102233221020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44116212 (or 44116210 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 213102233221020 its reverse (20122332201312), we get a palindrome (233224565422332).

The spelling of 213102233221020 in words is "two hundred thirteen trillion, one hundred two billion, two hundred thirty-three million, two hundred twenty-one thousand, twenty".