100021211211202 has 4 divisors (see below), whose sum is σ = 150031816816806. Its totient is φ = 50010605605600.

The previous prime is 100021211211179. The next prime is 100021211211203. The reversal of 100021211211202 is 202112112120001.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 86244264194841 + 13776947016361 = 9286779^2 + 3711731^2 .

It is not an unprimeable number, because it can be changed into a prime (100021211211203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25005302802799 + ... + 25005302802802.

Almost surely, 2^{100021211211202} is an apocalyptic number.

100021211211202 is a deficient number, since it is larger than the sum of its proper divisors (50010605605604).

100021211211202 is an equidigital number, since it uses as much as digits as its factorization.

100021211211202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50010605605603.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 100021211211202 its reverse (202112112120001), we get a palindrome (302133323331203).

The spelling of 100021211211202 in words is "one hundred trillion, twenty-one billion, two hundred eleven million, two hundred eleven thousand, two hundred two".