211020201001210 has 16 divisors (see below), whose sum is σ = 379837341689256. Its totient is φ = 84407862647808.

The previous prime is 211020201001147. The next prime is 211020201001213. The reversal of 211020201001210 is 12100102020112.

It can be written as a sum of positive squares in 4 ways, for example, as 205631957656129 + 5388243345081 = 14339873^2 + 2321259^2 .

It is a super-3 number, since 3×211020201001210³ (a number of 44 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (211020201001213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23119539 + ... + 30928198.

Almost surely, 2^{211020201001210} is an apocalyptic number.

211020201001210 is a deficient number, since it is larger than the sum of its proper divisors (168817140688046).

211020201001210 is a wasteful number, since it uses less digits than its factorization.

211020201001210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54438177.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 211020201001210 its reverse (12100102020112), we get a palindrome (223120303021322).

The spelling of 211020201001210 in words is "two hundred eleven trillion, twenty billion, two hundred one million, one thousand, two hundred ten".