221202010001210 has 64 divisors (see below), whose sum is σ = 463093799788800. Its totient is φ = 74500950838272.

The previous prime is 221202010001111. The next prime is 221202010001293. The reversal of 221202010001210 is 12100010202122.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13834175 + ... + 25175154.

It is an arithmetic number, because the mean of its divisors is an integer number (7235840621700).

Almost surely, 2^{221202010001210} is an apocalyptic number.

221202010001210 is an abundant number, since it is smaller than the sum of its proper divisors (241891789787590).

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

221202010001210 is a wasteful number, since it uses less digits than its factorization.

221202010001210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39010775.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 221202010001210 its reverse (12100010202122), we get a palindrome (233302020203332).

The spelling of 221202010001210 in words is "two hundred twenty-one trillion, two hundred two billion, ten million, one thousand, two hundred ten".