221102020010 has 16 divisors (see below), whose sum is σ = 397988989056. Its totient is φ = 88439618448.

The previous prime is 221102020003. The next prime is 221102020039. The reversal of 221102020010 is 10020201122.

It is a happy number.

It is a super-2 number, since 2×221102020010² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 221102019973 and 221102020000.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1412267 + ... + 1560993.

It is an arithmetic number, because the mean of its divisors is an integer number (24874311816).

Almost surely, 2^221102020010 is an apocalyptic number.

221102020010 is a deficient number, since it is larger than the sum of its proper divisors (176886969046).

221102020010 is a wasteful number, since it uses less digits than its factorization.

221102020010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 297397.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 221102020010 its reverse (10020201122), we get a palindrome (231122221132).

The spelling of 221102020010 in words is "two hundred twenty-one billion, one hundred two million, twenty thousand, ten".