210121002112210 has 32 divisors (see below), whose sum is σ = 433078571140992. Its totient is φ = 71903211020160.

The previous prime is 210121002112201. The next prime is 210121002112237. The reversal of 210121002112210 is 12211200121012.

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, 2880701152 + ... + 2880774091.

It is an arithmetic number, because the mean of its divisors is an integer number (13533705348156).

Almost surely, 2^{210121002112210} is an apocalyptic number.

210121002112210 is an abundant number, since it is smaller than the sum of its proper divisors (222957569028782).

210121002112210 is a wasteful number, since it uses less digits than its factorization.

210121002112210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5761475778.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 210121002112210 its reverse (12211200121012), we get a palindrome (222332202233222).

The spelling of 210121002112210 in words is "two hundred ten trillion, one hundred twenty-one billion, two million, one hundred twelve thousand, two hundred ten".