211420343000 has 32 divisors (see below), whose sum is σ = 494723604960. Its totient is φ = 84568136800.

The previous prime is 211420342979. The next prime is 211420343083. The reversal of 211420343000 is 343024112.

It is a super-2 number, since 2×211420343000² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 105709172 + ... + 105711171.

It is an arithmetic number, because the mean of its divisors is an integer number (15460112655).

Almost surely, 2^211420343000 is an apocalyptic number.

211420343000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

211420343000 is an abundant number, since it is smaller than the sum of its proper divisors (283303261960).

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

211420343000 is a wasteful number, since it uses less digits than its factorization.

211420343000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211420364 (or 211420350 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 211420343000 its reverse (343024112), we get a palindrome (211763367112).

The spelling of 211420343000 in words is "two hundred eleven billion, four hundred twenty million, three hundred forty-three thousand".