221022012102101 has 8 divisors (see below), whose sum is σ = 254269410328704. Its totient is φ = 188192820142800.

The previous prime is 221022012102079. The next prime is 221022012102127. The reversal of 221022012102101 is 101201210220122.

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 221022012102101 - 2¹⁸ = 221022011839957 is a prime.

It is a super-2 number, since 2×221022012102101² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 221022012102101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221022012102181) 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, 104551565690 + ... + 104551567803.

It is an arithmetic number, because the mean of its divisors is an integer number (31783676291088).

Almost surely, 2^{221022012102101} is an apocalyptic number.

It is an amenable number.

221022012102101 is a deficient number, since it is larger than the sum of its proper divisors (33247398226603).

221022012102101 is a wasteful number, since it uses less digits than its factorization.

221022012102101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 209103133651.

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

Adding to 221022012102101 its reverse (101201210220122), we get a palindrome (322223222322223).

The spelling of 221022012102101 in words is "two hundred twenty-one trillion, twenty-two billion, twelve million, one hundred two thousand, one hundred one".