11222210121201 has 6 divisors (see below), whose sum is σ = 16209859063970. Its totient is φ = 7481473414128.

The previous prime is 11222210121181. The next prime is 11222210121223. The reversal of 11222210121201 is 10212101222211.

11222210121201 is a `hidden beast` number, since 1 + 122 + 221 + 0 + 121 + 201 = 666.

It can be written as a sum of positive squares in only one way, i.e., 10622228198976 + 599981922225 = 3259176^2 + 774585^2 .

It is not a de Polignac number, because 11222210121201 - 2²⁶ = 11222143012337 is a prime.

It is a super-4 number, since 4×11222210121201⁴ (a number of 53 digits) contains 4444 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11222210131201) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 623456117836 + ... + 623456117853.

Almost surely, 2^{11222210121201} is an apocalyptic number.

It is an amenable number.

11222210121201 is a deficient number, since it is larger than the sum of its proper divisors (4987648942769).

11222210121201 is a wasteful number, since it uses less digits than its factorization.

11222210121201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1246912235695 (or 1246912235692 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 11222210121201 its reverse (10212101222211), we get a palindrome (21434311343412).

The spelling of 11222210121201 in words is "eleven trillion, two hundred twenty-two billion, two hundred ten million, one hundred twenty-one thousand, two hundred one".