213211014421020 has 96 divisors (see below), whose sum is σ = 744300268540416. Its totient is φ = 44303587411200.

The previous prime is 213211014420991. The next prime is 213211014421057. The reversal of 213211014421020 is 20124410112312.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 23074780491 + ... + 23074789730.

It is an arithmetic number, because the mean of its divisors is an integer number (7753127797296).

Almost surely, 2^{213211014421020} is an apocalyptic number.

213211014421020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

213211014421020 is an abundant number, since it is smaller than the sum of its proper divisors (531089254119396).

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

213211014421020 is a wasteful number, since it uses less digits than its factorization.

213211014421020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46149570251 (or 46149570249 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 24.

Adding to 213211014421020 its reverse (20124410112312), we get a palindrome (233335424533332).

The spelling of 213211014421020 in words is "two hundred thirteen trillion, two hundred eleven billion, fourteen million, four hundred twenty-one thousand, twenty".