10100121002 has 4 divisors (see below), whose sum is σ = 15150181506. Its totient is φ = 5050060500.

The previous prime is 10100120923. The next prime is 10100121011. The reversal of 10100121002 is 20012100101.

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., 8248454041 + 1851666961 = 90821^2 + 43031^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2525030249 + ... + 2525030252.

Almost surely, 2^10100121002 is an apocalyptic number.

10100121002 is a deficient number, since it is larger than the sum of its proper divisors (5050060504).

10100121002 is an equidigital number, since it uses as much as digits as its factorization.

10100121002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5050060503.

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

Adding to 10100121002 its reverse (20012100101), we get a palindrome (30112221103).

The spelling of 10100121002 in words is "ten billion, one hundred million, one hundred twenty-one thousand, two".