100121111002102 has 16 divisors (see below), whose sum is σ = 150283958620752. Its totient is φ = 50026467778560.

The previous prime is 100121111002093. The next prime is 100121111002103. The reversal of 100121111002102 is 201200111121001.

It is a happy number.

It is a super-3 number, since 3×100121111002102³ (a number of 43 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100121111002103) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18371893 + ... + 23189839.

It is an arithmetic number, because the mean of its divisors is an integer number (9392747413797).

Almost surely, 2^{100121111002102} is an apocalyptic number.

100121111002102 is a deficient number, since it is larger than the sum of its proper divisors (50162847618650).

100121111002102 is a wasteful number, since it uses less digits than its factorization.

100121111002102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4825023.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 100121111002102 its reverse (201200111121001), we get a palindrome (301321222123103).

The spelling of 100121111002102 in words is "one hundred trillion, one hundred twenty-one billion, one hundred eleven million, two thousand, one hundred two".