10121100000002 has 4 divisors (see below), whose sum is σ = 15181650000006. Its totient is φ = 5060550000000.

The previous prime is 10121099999987. The next prime is 10121100000013. The reversal of 10121100000002 is 20000000112101.

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., 8024920143241 + 2096179856761 = 2832829^2 + 1447819^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2530274999999 + ... + 2530275000002.

Almost surely, 2^{10121100000002} is an apocalyptic number.

10121100000002 is a deficient number, since it is larger than the sum of its proper divisors (5060550000004).

10121100000002 is an equidigital number, since it uses as much as digits as its factorization.

10121100000002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5060550000003.

The product of its (nonzero) digits is 4, while the sum is 8.

Adding to 10121100000002 its reverse (20000000112101), we get a palindrome (30121100112103).

The spelling of 10121100000002 in words is "ten trillion, one hundred twenty-one billion, one hundred million, two", and thus it is an aban number.