222201001020101 has 4 divisors (see below), whose sum is σ = 222201629615712. Its totient is φ = 222200372424492.

The previous prime is 222201001020091. The next prime is 222201001020107. The reversal of 222201001020101 is 101020100102222.

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 a de Polignac number, because none of the positive numbers 2^k-222201001020101 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222201001020107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 313767275 + ... + 314474648.

It is an arithmetic number, because the mean of its divisors is an integer number (55550407403928).

Almost surely, 2^{222201001020101} is an apocalyptic number.

It is an amenable number.

222201001020101 is a deficient number, since it is larger than the sum of its proper divisors (628595611).

222201001020101 is an equidigital number, since it uses as much as digits as its factorization.

222201001020101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 628595610.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 222201001020101 its reverse (101020100102222), we get a palindrome (323221101122323).

The spelling of 222201001020101 in words is "two hundred twenty-two trillion, two hundred one billion, one million, twenty thousand, one hundred one".