101221212111202 has 8 divisors (see below), whose sum is σ = 151832318101200. Its totient is φ = 50610439410804.

The previous prime is 101221212111193. The next prime is 101221212111203. The reversal of 101221212111202 is 202111212122101.

It is a happy number.

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

It is a self number, because there is not a number n which added to its sum of digits gives 101221212111202.

It is not an unprimeable number, because it can be changed into a prime (101221212111203) 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, 82561752 + ... + 83778787.

It is an arithmetic number, because the mean of its divisors is an integer number (18979039762650).

Almost surely, 2^{101221212111202} is an apocalyptic number.

101221212111202 is a deficient number, since it is larger than the sum of its proper divisors (50611105989998).

101221212111202 is a wasteful number, since it uses less digits than its factorization.

101221212111202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166644800.

The product of its (nonzero) digits is 64, while the sum is 19.

Adding to 101221212111202 its reverse (202111212122101), we get a palindrome (303332424233303).

The spelling of 101221212111202 in words is "one hundred one trillion, two hundred twenty-one billion, two hundred twelve million, one hundred eleven thousand, two hundred two".