100102021101202 has 4 divisors (see below), whose sum is σ = 150153031651806. Its totient is φ = 50051010550600.

The previous prime is 100102021101133. The next prime is 100102021101209. The reversal of 100102021101202 is 202101120201001.

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., 80419302517761 + 19682718583441 = 8967681^2 + 4436521^2 .

It is not an unprimeable number, because it can be changed into a prime (100102021101209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25025505275299 + ... + 25025505275302.

Almost surely, 2^{100102021101202} is an apocalyptic number.

100102021101202 is a deficient number, since it is larger than the sum of its proper divisors (50051010550604).

100102021101202 is an equidigital number, since it uses as much as digits as its factorization.

100102021101202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50051010550603.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 100102021101202 its reverse (202101120201001), we get a palindrome (302203141302203).

The spelling of 100102021101202 in words is "one hundred trillion, one hundred two billion, twenty-one million, one hundred one thousand, two hundred two".