100012021221202 has 64 divisors (see below), whose sum is σ = 160885030901760. Its totient is φ = 46523640038400.

The previous prime is 100012021221169. The next prime is 100012021221221. The reversal of 100012021221202 is 202122120210001.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4321468843 + ... + 4321491985.

It is an arithmetic number, because the mean of its divisors is an integer number (2513828607840).

Almost surely, 2^{100012021221202} is an apocalyptic number.

100012021221202 is a deficient number, since it is larger than the sum of its proper divisors (60873009680558).

100012021221202 is a wasteful number, since it uses less digits than its factorization.

100012021221202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33419.

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

Adding to 100012021221202 its reverse (202122120210001), we get a palindrome (302134141431203).

It can be divided in two parts, 10001 and 2021221202, that multiplied together give a palindrome (20214233241202).

The spelling of 100012021221202 in words is "one hundred trillion, twelve billion, twenty-one million, two hundred twenty-one thousand, two hundred two".