100021121002102 has 4 divisors (see below), whose sum is σ = 150031681503156. Its totient is φ = 50010560501050.

The previous prime is 100021121002069. The next prime is 100021121002193. The reversal of 100021121002102 is 201200121120001.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25005280250524 + ... + 25005280250527.

It is an arithmetic number, because the mean of its divisors is an integer number (37507920375789).

Almost surely, 2^{100021121002102} is an apocalyptic number.

100021121002102 is a deficient number, since it is larger than the sum of its proper divisors (50010560501054).

100021121002102 is an equidigital number, since it uses as much as digits as its factorization.

100021121002102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50010560501053.

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

Adding to 100021121002102 its reverse (201200121120001), we get a palindrome (301221242122103).

The spelling of 100021121002102 in words is "one hundred trillion, twenty-one billion, one hundred twenty-one million, two thousand, one hundred two".