222021200202101 has 4 divisors (see below), whose sum is σ = 222905746816704. Its totient is φ = 221136653587500.

The previous prime is 222021200202083. The next prime is 222021200202107. The reversal of 222021200202101 is 101202002120222.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 222021200202101 - 2¹⁰ = 222021200201077 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 222021200202101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222021200202107) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 442273306925 + ... + 442273307426.

It is an arithmetic number, because the mean of its divisors is an integer number (55726436704176).

Almost surely, 2^{222021200202101} is an apocalyptic number.

It is an amenable number.

222021200202101 is a deficient number, since it is larger than the sum of its proper divisors (884546614603).

222021200202101 is an equidigital number, since it uses as much as digits as its factorization.

222021200202101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 884546614602.

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

Adding to 222021200202101 its reverse (101202002120222), we get a palindrome (323223202322323).

The spelling of 222021200202101 in words is "two hundred twenty-two trillion, twenty-one billion, two hundred million, two hundred two thousand, one hundred one".