101220201002 has 24 divisors (see below), whose sum is σ = 153842593476. Its totient is φ = 49947981696.

The previous prime is 101220200999. The next prime is 101220201037. The reversal of 101220201002 is 200102022101.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 100895804881 + 324396121 = 317641^2 + 18011^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15386738 + ... + 15393314.

Almost surely, 2^101220201002 is an apocalyptic number.

101220201002 is a deficient number, since it is larger than the sum of its proper divisors (52622392474).

101220201002 is an equidigital number, since it uses as much as digits as its factorization.

101220201002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7862 (or 7779 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 101220201002 its reverse (200102022101), we get a palindrome (301322223103).

The spelling of 101220201002 in words is "one hundred one billion, two hundred twenty million, two hundred one thousand, two".