221112202220101 has 8 divisors (see below), whose sum is σ = 223004741156864. Its totient is φ = 219222030439440.

The previous prime is 221112202220093. The next prime is 221112202220113. The reversal of 221112202220101 is 101022202211122.

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 221112202220101 - 2³ = 221112202220093 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 (221112202229101) 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, 591601410 + ... + 591975043.

It is an arithmetic number, because the mean of its divisors is an integer number (27875592644608).

Almost surely, 2^{221112202220101} is an apocalyptic number.

It is an amenable number.

221112202220101 is a deficient number, since it is larger than the sum of its proper divisors (1892538936763).

221112202220101 is a wasteful number, since it uses less digits than its factorization.

221112202220101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1183578051.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 221112202220101 its reverse (101022202211122), we get a palindrome (322134404431223).

The spelling of 221112202220101 in words is "two hundred twenty-one trillion, one hundred twelve billion, two hundred two million, two hundred twenty thousand, one hundred one".