221100020221010 has 32 divisors (see below), whose sum is σ = 457846475196672. Its totient is φ = 75303696571200.

The previous prime is 221100020220967. The next prime is 221100020221033. The reversal of 221100020221010 is 10122020001122.

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

It is a Curzon number.

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, 10458836177 + ... + 10458857316.

It is an arithmetic number, because the mean of its divisors is an integer number (14307702349896).

Almost surely, 2^{221100020221010} is an apocalyptic number.

221100020221010 is an abundant number, since it is smaller than the sum of its proper divisors (236746454975662).

221100020221010 is a wasteful number, since it uses less digits than its factorization.

221100020221010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20917693658.

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

Adding to 221100020221010 its reverse (10122020001122), we get a palindrome (231222040222132).

The spelling of 221100020221010 in words is "two hundred twenty-one trillion, one hundred billion, twenty million, two hundred twenty-one thousand, ten".