222101100102101 has 4 divisors (see below), whose sum is σ = 242292109202304. Its totient is φ = 201910091001900.

The previous prime is 222101100102083. The next prime is 222101100102127. The reversal of 222101100102101 is 101201001101222.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-222101100102101 is a prime.

It is a super-2 number, since 2×222101100102101² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222101100402101) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10095504550085 + ... + 10095504550106.

It is an arithmetic number, because the mean of its divisors is an integer number (60573027300576).

Almost surely, 2^{222101100102101} is an apocalyptic number.

It is an amenable number.

222101100102101 is a deficient number, since it is larger than the sum of its proper divisors (20191009100203).

222101100102101 is a wasteful number, since it uses less digits than its factorization.

222101100102101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20191009100202.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 222101100102101 its reverse (101201001101222), we get a palindrome (323302101203323).

The spelling of 222101100102101 in words is "two hundred twenty-two trillion, one hundred one billion, one hundred million, one hundred two thousand, one hundred one".