10121517106 has 4 divisors (see below), whose sum is σ = 15182275662. Its totient is φ = 5060758552.

The previous prime is 10121517101. The next prime is 10121517127. The reversal of 10121517106 is 60171512101.

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., 10087189225 + 34327881 = 100435^2 + 5859^2 .

It is not an unprimeable number, because it can be changed into a prime (10121517101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2530379275 + ... + 2530379278.

Almost surely, 2^10121517106 is an apocalyptic number.

10121517106 is a deficient number, since it is larger than the sum of its proper divisors (5060758556).

10121517106 is an equidigital number, since it uses as much as digits as its factorization.

10121517106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5060758555.

The product of its (nonzero) digits is 420, while the sum is 25.

The spelling of 10121517106 in words is "ten billion, one hundred twenty-one million, five hundred seventeen thousand, one hundred six".