221022011102021 has 8 divisors (see below), whose sum is σ = 221118194779104. Its totient is φ = 220925828669040.

The previous prime is 221022011102017. The next prime is 221022011102083. The reversal of 221022011102021 is 120201110220122.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 221022011102021 - 2² = 221022011102017 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 (221022010102021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 639412166 + ... + 639757736.

It is an arithmetic number, because the mean of its divisors is an integer number (27639774347388).

Almost surely, 2^{221022011102021} is an apocalyptic number.

It is an amenable number.

221022011102021 is a deficient number, since it is larger than the sum of its proper divisors (96183677083).

221022011102021 is a wasteful number, since it uses less digits than its factorization.

221022011102021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 622051.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 221022011102021 its reverse (120201110220122), we get a palindrome (341223121322143).

The spelling of 221022011102021 in words is "two hundred twenty-one trillion, twenty-two billion, eleven million, one hundred two thousand, twenty-one".