911101220002 has 4 divisors (see below), whose sum is σ = 1366651830006. Its totient is φ = 455550610000.

The previous prime is 911101219969. The next prime is 911101220009. The reversal of 911101220002 is 200022101119.

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., 689731911001 + 221369309001 = 830501^2 + 470499^2 .

It is not an unprimeable number, because it can be changed into a prime (911101220009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 227775304999 + ... + 227775305002.

Almost surely, 2^911101220002 is an apocalyptic number.

911101220002 is a deficient number, since it is larger than the sum of its proper divisors (455550610004).

911101220002 is a wasteful number, since it uses less digits than its factorization.

911101220002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 455550610003.

The product of its (nonzero) digits is 72, while the sum is 19.

The spelling of 911101220002 in words is "nine hundred eleven billion, one hundred one million, two hundred twenty thousand, two".