101001212221002 has 64 divisors (see below), whose sum is σ = 216895730883840. Its totient is φ = 31243514609664.

The previous prime is 101001212220971. The next prime is 101001212221183. The reversal of 101001212221002 is 200122212100101.

It is a super-2 number, since 2×101001212221002² (a number of 29 digits) contains 22 as substring.

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 31 ways as a sum of consecutive naturals, for example, 20477302 + ... + 24926337.

It is an arithmetic number, because the mean of its divisors is an integer number (3388995795060).

Almost surely, 2^{101001212221002} is an apocalyptic number.

101001212221002 is an abundant number, since it is smaller than the sum of its proper divisors (115894518662838).

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

101001212221002 is a wasteful number, since it uses less digits than its factorization.

101001212221002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45403967.

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

Adding to 101001212221002 its reverse (200122212100101), we get a palindrome (301123424321103).

The spelling of 101001212221002 in words is "one hundred one trillion, one billion, two hundred twelve million, two hundred twenty-one thousand, two".