221122010212201 has 16 divisors (see below), whose sum is σ = 265107079491840. Its totient is φ = 180420095741760.

The previous prime is 221122010212183. The next prime is 221122010212223. The reversal of 221122010212201 is 102212010221122.

It is not a de Polignac number, because 221122010212201 - 2²⁷ = 221121875994473 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (221122410212201) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7670908026 + ... + 7670936851.

It is an arithmetic number, because the mean of its divisors is an integer number (16569192468240).

Almost surely, 2^{221122010212201} is an apocalyptic number.

It is an amenable number.

221122010212201 is a deficient number, since it is larger than the sum of its proper divisors (43985069279639).

221122010212201 is a wasteful number, since it uses less digits than its factorization.

221122010212201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15341844984.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 221122010212201 its reverse (102212010221122), we get a palindrome (323334020433323).

The spelling of 221122010212201 in words is "two hundred twenty-one trillion, one hundred twenty-two billion, ten million, two hundred twelve thousand, two hundred one".