222010200101 has 4 divisors (see below), whose sum is σ = 222835517100. Its totient is φ = 221184883104.

The previous prime is 222010200091. The next prime is 222010200103. The reversal of 222010200101 is 101002010222.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 41577249025 + 180432951076 = 203905^2 + 424774^2 .

It is a cyclic number.

It is not a de Polignac number, because 222010200101 - 2²² = 222006005797 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 (222010200103) 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, 412658096 + ... + 412658633.

It is an arithmetic number, because the mean of its divisors is an integer number (55708879275).

Almost surely, 2^222010200101 is an apocalyptic number.

It is an amenable number.

222010200101 is a deficient number, since it is larger than the sum of its proper divisors (825316999).

222010200101 is an equidigital number, since it uses as much as digits as its factorization.

222010200101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 825316998.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 222010200101 its reverse (101002010222), we get a palindrome (323012210323).

The spelling of 222010200101 in words is "two hundred twenty-two billion, ten million, two hundred thousand, one hundred one".