211021120000210 has 32 divisors (see below), whose sum is σ = 409067653628592. Its totient is φ = 77913332613120.

The previous prime is 211021120000091. The next prime is 211021120000217. The reversal of 211021120000210 is 12000021120112.

It can be written as a sum of positive squares in 8 ways, for example, as 24462154321929 + 186558965678281 = 4945923^2 + 13658659^2 .

It is a super-2 number, since 2×211021120000210² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is not an unprimeable number, because it can be changed into a prime (211021120000217) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17761711 + ... + 27157330.

Almost surely, 2^{211021120000210} is an apocalyptic number.

211021120000210 is a deficient number, since it is larger than the sum of its proper divisors (198046533628382).

211021120000210 is a wasteful number, since it uses less digits than its factorization.

211021120000210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44955198.

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

Adding to 211021120000210 its reverse (12000021120112), we get a palindrome (223021141120322).

The spelling of 211021120000210 in words is "two hundred eleven trillion, twenty-one billion, one hundred twenty million, two hundred ten", and thus it is an aban number.