210000001021210 has 32 divisors (see below), whose sum is σ = 381127949573184. Its totient is φ = 83305717248000.

The previous prime is 210000001021201. The next prime is 210000001021241. The reversal of 210000001021210 is 12120100000012.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48962151 + ... + 53078170.

It is an arithmetic number, because the mean of its divisors is an integer number (11910248424162).

Almost surely, 2^{210000001021210} is an apocalyptic number.

210000001021210 is a deficient number, since it is larger than the sum of its proper divisors (171127948551974).

210000001021210 is a wasteful number, since it uses less digits than its factorization.

210000001021210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102042030.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 210000001021210 its reverse (12120100000012), we get a palindrome (222120101021222).

The spelling of 210000001021210 in words is "two hundred ten trillion, one million, twenty-one thousand, two hundred ten".