101221202002 has 8 divisors (see below), whose sum is σ = 153753724800. Its totient is φ = 49969960404.

The previous prime is 101221201943. The next prime is 101221202023. The reversal of 101221202002 is 200202122101.

It is a happy number.

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, 320320102 + ... + 320320417.

It is an arithmetic number, because the mean of its divisors is an integer number (19219215600).

Almost surely, 2^101221202002 is an apocalyptic number.

101221202002 is a deficient number, since it is larger than the sum of its proper divisors (52532522798).

101221202002 is an equidigital number, since it uses as much as digits as its factorization.

101221202002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 640640600.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 101221202002 its reverse (200202122101), we get a palindrome (301423324103).

The spelling of 101221202002 in words is "one hundred one billion, two hundred twenty-one million, two hundred two thousand, two".