10001001011202 has 12 divisors (see below), whose sum is σ = 21668835524310. Its totient is φ = 3333667003728.

The previous prime is 10001001011153. The next prime is 10001001011233. The reversal of 10001001011202 is 20211010010001.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 8560662591321 + 1440338419881 = 2925861^2 + 1200141^2 .

It is a Harshad number since it is a multiple of its sum of digits (9).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 277805583627 + ... + 277805583662.

Almost surely, 2^{10001001011202} is an apocalyptic number.

10001001011202 is an abundant number, since it is smaller than the sum of its proper divisors (11667834513108).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10001001011202 is a wasteful number, since it uses less digits than its factorization.

10001001011202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 555611167297 (or 555611167294 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

Adding to 10001001011202 its reverse (20211010010001), we get a palindrome (30212011021203).

The spelling of 10001001011202 in words is "ten trillion, one billion, one million, eleven thousand, two hundred two".