911200921002 has 12 divisors (see below), whose sum is σ = 1974268662210. Its totient is φ = 303733640328.

The previous prime is 911200920989. The next prime is 911200921063. The reversal of 911200921002 is 200129002119.

It can be written as a sum of positive squares in only one way, i.e., 538977690801 + 372223230201 = 734151^2 + 610101^2 .

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, 25311136677 + ... + 25311136712.

Almost surely, 2^911200921002 is an apocalyptic number.

911200921002 is an abundant number, since it is smaller than the sum of its proper divisors (1063067741208).

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

911200921002 is a wasteful number, since it uses less digits than its factorization.

911200921002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50622273397 (or 50622273394 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 27.

The spelling of 911200921002 in words is "nine hundred eleven billion, two hundred million, nine hundred twenty-one thousand, two".