210131101100002 has 4 divisors (see below), whose sum is σ = 315196651650006. Its totient is φ = 105065550550000.

The previous prime is 210131101099987. The next prime is 210131101100021. The reversal of 210131101100002 is 200001101131012.

It is a happy number.

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., 136741193062321 + 73389908037681 = 11693639^2 + 8566791^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52532775274999 + ... + 52532775275002.

Almost surely, 2^{210131101100002} is an apocalyptic number.

210131101100002 is a deficient number, since it is larger than the sum of its proper divisors (105065550550004).

210131101100002 is a wasteful number, since it uses less digits than its factorization.

210131101100002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105065550550003.

The product of its (nonzero) digits is 12, while the sum is 13.

Adding to 210131101100002 its reverse (200001101131012), we get a palindrome (410132202231014).

The spelling of 210131101100002 in words is "two hundred ten trillion, one hundred thirty-one billion, one hundred one million, one hundred thousand, two".