221121002101202 has 32 divisors (see below), whose sum is σ = 387137664276480. Its totient is φ = 92747953587600.

The previous prime is 221121002101177. The next prime is 221121002101253. The reversal of 221121002101202 is 202101200121122.

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, 29140949 + ... + 35936567.

It is an arithmetic number, because the mean of its divisors is an integer number (12098052008640).

Almost surely, 2^{221121002101202} is an apocalyptic number.

221121002101202 is a deficient number, since it is larger than the sum of its proper divisors (166016662175278).

221121002101202 is a wasteful number, since it uses less digits than its factorization.

221121002101202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6845126.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 221121002101202 its reverse (202101200121122), we get a palindrome (423222202222324).

The spelling of 221121002101202 in words is "two hundred twenty-one trillion, one hundred twenty-one billion, two million, one hundred one thousand, two hundred two".