222200112001021 has 128 divisors (see below), whose sum is σ = 293254202621952. Its totient is φ = 163235761920000.

The previous prime is 222200112001001. The next prime is 222200112001039. The reversal of 222200112001021 is 120100211002222.

It is a happy number.

It is not a de Polignac number, because 222200112001021 - 2¹³ = 222200111992829 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 222200112000986 and 222200112001004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222200112001001) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 97157896540 + ... + 97157898826.

It is an arithmetic number, because the mean of its divisors is an integer number (2291048457984).

Almost surely, 2^{222200112001021} is an apocalyptic number.

It is an amenable number.

222200112001021 is a deficient number, since it is larger than the sum of its proper divisors (71054090620931).

222200112001021 is a wasteful number, since it uses less digits than its factorization.

222200112001021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4643.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 222200112001021 its reverse (120100211002222), we get a palindrome (342300323003243).

The spelling of 222200112001021 in words is "two hundred twenty-two trillion, two hundred billion, one hundred twelve million, one thousand, twenty-one".