211201301000 has 64 divisors (see below), whose sum is σ = 499306232880. Its totient is φ = 83609548800.

The previous prime is 211201300951. The next prime is 211201301021. The reversal of 211201301000 is 103102112.

It can be written as a sum of positive squares in 8 ways, for example, as 22603919716 + 188597381284 = 150346^2 + 434278^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 991667 + ... + 1185666.

Almost surely, 2^211201301000 is an apocalyptic number.

211201301000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

211201301000 is an abundant number, since it is smaller than the sum of its proper divisors (288104931880).

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

211201301000 is a wasteful number, since it uses less digits than its factorization.

211201301000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2177451 (or 2177437 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 11.

Adding to 211201301000 its reverse (103102112), we get a palindrome (211304403112).

The spelling of 211201301000 in words is "two hundred eleven billion, two hundred one million, three hundred one thousand".