101221200221002 has 16 divisors (see below), whose sum is σ = 154830953336832. Its totient is φ = 49612541726800.

The previous prime is 101221200220991. The next prime is 101221200221041. The reversal of 101221200221002 is 200122002122101.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 414698578 + ... + 414942589.

It is an arithmetic number, because the mean of its divisors is an integer number (9676934583552).

Almost surely, 2^{101221200221002} is an apocalyptic number.

101221200221002 is a deficient number, since it is larger than the sum of its proper divisors (53609753115830).

101221200221002 is a wasteful number, since it uses less digits than its factorization.

101221200221002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 829642373.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 101221200221002 its reverse (200122002122101), we get a palindrome (301343202343103).

The spelling of 101221200221002 in words is "one hundred one trillion, two hundred twenty-one billion, two hundred million, two hundred twenty-one thousand, two".