10012121102122 has 4 divisors (see below), whose sum is σ = 15018181653186. Its totient is φ = 5006060551060.

The previous prime is 10012121102107. The next prime is 10012121102131. The reversal of 10012121102122 is 22120112121001.

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., 5999026402681 + 4013094699441 = 2449291^2 + 2003271^2 .

It is a junction number, because it is equal to n+sod(n) for n = 10012121102096 and 10012121102105.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2503030275529 + ... + 2503030275532.

Almost surely, 2^{10012121102122} is an apocalyptic number.

10012121102122 is a deficient number, since it is larger than the sum of its proper divisors (5006060551064).

10012121102122 is an equidigital number, since it uses as much as digits as its factorization.

10012121102122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5006060551063.

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

Adding to 10012121102122 its reverse (22120112121001), we get a palindrome (32132233223123).

The spelling of 10012121102122 in words is "ten trillion, twelve billion, one hundred twenty-one million, one hundred two thousand, one hundred twenty-two".