222020020121201 has 8 divisors (see below), whose sum is σ = 223247155406184. Its totient is φ = 220792890389760.

The previous prime is 222020020121161. The next prime is 222020020121203. The reversal of 222020020121201 is 102121020020222.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 6516915480625 + 215503104640576 = 2552825^2 + 14680024^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-222020020121201 is a prime.

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 222020020121201.

It is not an unprimeable number, because it can be changed into a prime (222020020121203) 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, 98653961 + ... + 100879353.

It is an arithmetic number, because the mean of its divisors is an integer number (27905894425773).

Almost surely, 2^{222020020121201} is an apocalyptic number.

It is an amenable number.

222020020121201 is a deficient number, since it is larger than the sum of its proper divisors (1227135284983).

222020020121201 is a wasteful number, since it uses less digits than its factorization.

222020020121201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2776771.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 222020020121201 its reverse (102121020020222), we get a palindrome (324141040141423).

The spelling of 222020020121201 in words is "two hundred twenty-two trillion, twenty billion, twenty million, one hundred twenty-one thousand, two hundred one".