101021220212002 has 16 divisors (see below), whose sum is σ = 156779624691000. Its totient is φ = 48761846622720.

The previous prime is 101021220211969. The next prime is 101021220212021. The reversal of 101021220212002 is 200212022120101.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 85445971202601 + 15575249009401 = 9243699^2 + 3946549^2 .

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 7 ways as a sum of consecutive naturals, for example, 124920399 + ... + 125726482.

Almost surely, 2^{101021220212002} is an apocalyptic number.

101021220212002 is a deficient number, since it is larger than the sum of its proper divisors (55758404478998).

101021220212002 is a wasteful number, since it uses less digits than its factorization.

101021220212002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 250653861.

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

Adding to 101021220212002 its reverse (200212022120101), we get a palindrome (301233242332103).

The spelling of 101021220212002 in words is "one hundred one trillion, twenty-one billion, two hundred twenty million, two hundred twelve thousand, two".