101010220202221 has 16 divisors (see below), whose sum is σ = 111524341724928. Its totient is φ = 90721921752000.

The previous prime is 101010220202219. The next prime is 101010220202261. The reversal of 101010220202221 is 122202022010101.

It is a happy number.

It is not a de Polignac number, because 101010220202221 - 2¹ = 101010220202219 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 101010220202195 and 101010220202204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101010220202261) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 97669506 + ... + 98698291.

It is an arithmetic number, because the mean of its divisors is an integer number (6970271357808).

Almost surely, 2^{101010220202221} is an apocalyptic number.

101010220202221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

101010220202221 is a deficient number, since it is larger than the sum of its proper divisors (10514121522707).

101010220202221 is a wasteful number, since it uses less digits than its factorization.

101010220202221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 196368372.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 101010220202221 its reverse (122202022010101), we get a palindrome (223212242212322).

The spelling of 101010220202221 in words is "one hundred one trillion, ten billion, two hundred twenty million, two hundred two thousand, two hundred twenty-one".