221010001202 has 8 divisors (see below), whose sum is σ = 351015884316. Its totient is φ = 104004706432.

The previous prime is 221010001189. The next prime is 221010001241. The reversal of 221010001202 is 202100010122.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 213738857761 + 7271143441 = 462319^2 + 85271^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3250147043 + ... + 3250147110.

Almost surely, 2^221010001202 is an apocalyptic number.

221010001202 is a deficient number, since it is larger than the sum of its proper divisors (130005883114).

221010001202 is a wasteful number, since it uses less digits than its factorization.

221010001202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6500294172.

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

Adding to 221010001202 its reverse (202100010122), we get a palindrome (423110011324).

The spelling of 221010001202 in words is "two hundred twenty-one billion, ten million, one thousand, two hundred two".