211101020202 has 16 divisors (see below), whose sum is σ = 423550932480. Its totient is φ = 70142191392.

The previous prime is 211101020197. The next prime is 211101020219. The reversal of 211101020202 is 202020101112.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56201802 + ... + 56205557.

It is an arithmetic number, because the mean of its divisors is an integer number (26471933280).

Almost surely, 2^211101020202 is an apocalyptic number.

211101020202 is an abundant number, since it is smaller than the sum of its proper divisors (212449912278).

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

211101020202 is a wasteful number, since it uses less digits than its factorization.

211101020202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112407677.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 211101020202 its reverse (202020101112), we get a palindrome (413121121314).

The spelling of 211101020202 in words is "two hundred eleven billion, one hundred one million, twenty thousand, two hundred two".