101221012102002 has 16 divisors (see below), whose sum is σ = 218014487604480. Its totient is φ = 31144926800592.

The previous prime is 101221012101997. The next prime is 101221012102003. The reversal of 101221012102002 is 200201210122101.

It is a super-3 number, since 3×101221012102002³ (a number of 43 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (101221012102003) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 648852641602 + ... + 648852641757.

It is an arithmetic number, because the mean of its divisors is an integer number (13625905475280).

Almost surely, 2^{101221012102002} is an apocalyptic number.

101221012102002 is an abundant number, since it is smaller than the sum of its proper divisors (116793475502478).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

101221012102002 is a wasteful number, since it uses less digits than its factorization.

101221012102002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1297705283377.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 101221012102002 its reverse (200201210122101), we get a palindrome (301422222224103).

The spelling of 101221012102002 in words is "one hundred one trillion, two hundred twenty-one billion, twelve million, one hundred two thousand, two".