222100222220101 has 8 divisors (see below), whose sum is σ = 222125380493400. Its totient is φ = 222075064619520.

The previous prime is 222100222220029. The next prime is 222100222220231. The reversal of 222100222220101 is 101022222001222.

It can be written as a sum of positive squares in 4 ways, for example, as 77764002192100 + 144336220028001 = 8818390^2 + 12014001^2 .

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 222100222220101 - 2¹¹ = 222100222218053 is a prime.

It is a super-4 number, since 4×222100222220101⁴ (a number of 58 digits) contains 4444 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 (222100222230101) 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, 956878381 + ... + 957110461.

It is an arithmetic number, because the mean of its divisors is an integer number (27765672561675).

Almost surely, 2^{222100222220101} is an apocalyptic number.

It is an amenable number.

222100222220101 is a deficient number, since it is larger than the sum of its proper divisors (25158273299).

222100222220101 is a wasteful number, since it uses less digits than its factorization.

222100222220101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 336359.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 222100222220101 its reverse (101022222001222), we get a palindrome (323122444221323).

The spelling of 222100222220101 in words is "two hundred twenty-two trillion, one hundred billion, two hundred twenty-two million, two hundred twenty thousand, one hundred one".