1002220221101 has 32 divisors (see below), whose sum is σ = 1202017190400. Its totient is φ = 824866094080.

The previous prime is 1002220221047. The next prime is 1002220221139. The reversal of 1002220221101 is 1011220222001.

It is a cyclic number.

It is not a de Polignac number, because 1002220221101 - 2¹⁰ = 1002220220077 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1002229221101) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1115276 + ... + 1802298.

It is an arithmetic number, because the mean of its divisors is an integer number (37563037200).

Almost surely, 2^{1002220221101} is an apocalyptic number.

1002220221101 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1002220221101 is a deficient number, since it is larger than the sum of its proper divisors (199796969299).

1002220221101 is a wasteful number, since it uses less digits than its factorization.

1002220221101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 687349.

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

Adding to 1002220221101 its reverse (1011220222001), we get a palindrome (2013440443102).

The spelling of 1002220221101 in words is "one trillion, two billion, two hundred twenty million, two hundred twenty-one thousand, one hundred one".