222121102010201 has 8 divisors (see below), whose sum is σ = 223454583140544. Its totient is φ = 220787661530800.

The previous prime is 222121102010153. The next prime is 222121102010219. The reversal of 222121102010201 is 102010201121222.

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 222121102010201 - 2¹⁸ = 222121101748057 is a prime.

It is a super-2 number, since 2×222121102010201² (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 222121102010201.

It is not an unprimeable number, because it can be changed into a prime (222121102010231) 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, 833891 + ... + 21093543.

It is an arithmetic number, because the mean of its divisors is an integer number (27931822892568).

Almost surely, 2^{222121102010201} is an apocalyptic number.

It is an amenable number.

222121102010201 is a deficient number, since it is larger than the sum of its proper divisors (1333481130343).

222121102010201 is a wasteful number, since it uses less digits than its factorization.

222121102010201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20325471.

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

Adding to 222121102010201 its reverse (102010201121222), we get a palindrome (324131303131423).

The spelling of 222121102010201 in words is "two hundred twenty-two trillion, one hundred twenty-one billion, one hundred two million, ten thousand, two hundred one".