101221022002012 has 24 divisors (see below), whose sum is σ = 193619779582320. Its totient is φ = 45919163391360.

The previous prime is 101221022001941. The next prime is 101221022002049. The reversal of 101221022002012 is 210200220122101.

It is a happy number.

It is a super-3 number, since 3×101221022002012³ (a number of 43 digits) contains 333 as substring.

It is a congruent 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, 2259778953 + ... + 2259823744.

It is an arithmetic number, because the mean of its divisors is an integer number (8067490815930).

Almost surely, 2^{101221022002012} is an apocalyptic number.

It is an amenable number.

101221022002012 is a deficient number, since it is larger than the sum of its proper divisors (92398757580308).

101221022002012 is a wasteful number, since it uses less digits than its factorization.

101221022002012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4519603221 (or 4519603219 counting only the distinct ones).

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

Adding to 101221022002012 its reverse (210200220122101), we get a palindrome (311421242124113).

The spelling of 101221022002012 in words is "one hundred one trillion, two hundred twenty-one billion, twenty-two million, two thousand, twelve".