222121000201101 has 32 divisors (see below), whose sum is σ = 303519944060928. Its totient is φ = 144423470345280.

The previous prime is 222121000201097. The next prime is 222121000201123. The reversal of 222121000201101 is 101102000121222.

It is not a de Polignac number, because 222121000201101 - 2² = 222121000201097 is a prime.

It is a super-2 number, since 2×222121000201101² (a number of 29 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222121000201801) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 515660146 + ... + 516090716.

It is an arithmetic number, because the mean of its divisors is an integer number (9484998251904).

Almost surely, 2^{222121000201101} is an apocalyptic number.

It is an amenable number.

222121000201101 is a deficient number, since it is larger than the sum of its proper divisors (81398943859827).

222121000201101 is a wasteful number, since it uses less digits than its factorization.

222121000201101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 443401.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 222121000201101 its reverse (101102000121222), we get a palindrome (323223000322323).

The spelling of 222121000201101 in words is "two hundred twenty-two trillion, one hundred twenty-one billion, two hundred one thousand, one hundred one".