221001102211010 has 32 divisors (see below), whose sum is σ = 433977360602112. Its totient is φ = 80361896446080.

The previous prime is 221001102211007. The next prime is 221001102211033. The reversal of 221001102211010 is 10112201100122.

It is a super-3 number, since 3×221001102211010³ (a number of 44 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

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, 22607867 + ... + 30872606.

It is an arithmetic number, because the mean of its divisors is an integer number (13561792518816).

Almost surely, 2^{221001102211010} is an apocalyptic number.

221001102211010 is a deficient number, since it is larger than the sum of its proper divisors (212976258391102).

221001102211010 is a wasteful number, since it uses less digits than its factorization.

221001102211010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53518058.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 221001102211010 its reverse (10112201100122), we get a palindrome (231113303311132).

The spelling of 221001102211010 in words is "two hundred twenty-one trillion, one billion, one hundred two million, two hundred eleven thousand, ten".