101221212020002 has 8 divisors (see below), whose sum is σ = 156729618611712. Its totient is φ = 48978005816100.

The previous prime is 101221212019987. The next prime is 101221212020059. The reversal of 101221212020002 is 200020212122101.

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 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, 816300096874 + ... + 816300096997.

It is an arithmetic number, because the mean of its divisors is an integer number (19591202326464).

Almost surely, 2^{101221212020002} is an apocalyptic number.

101221212020002 is a deficient number, since it is larger than the sum of its proper divisors (55508406591710).

101221212020002 is a wasteful number, since it uses less digits than its factorization.

101221212020002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1632600193904.

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

Adding to 101221212020002 its reverse (200020212122101), we get a palindrome (301241424142103).

The spelling of 101221212020002 in words is "one hundred one trillion, two hundred twenty-one billion, two hundred twelve million, twenty thousand, two".