211142012202 has 64 divisors (see below), whose sum is σ = 511929400320. Its totient is φ = 63973681200.

The previous prime is 211142012197. The next prime is 211142012209. The reversal of 211142012202 is 202210241112.

211142012202 is a `hidden beast` number, since 21 + 1 + 1 + 420 + 1 + 220 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (211142012209) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 5308963 + ... + 5348585.

It is an arithmetic number, because the mean of its divisors is an integer number (7998896880).

Almost surely, 2^211142012202 is an apocalyptic number.

211142012202 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

211142012202 is an abundant number, since it is smaller than the sum of its proper divisors (300787388118).

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

211142012202 is a wasteful number, since it uses less digits than its factorization.

211142012202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48616 (or 48610 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 211142012202 its reverse (202210241112), we get a palindrome (413352253314).

The spelling of 211142012202 in words is "two hundred eleven billion, one hundred forty-two million, twelve thousand, two hundred two".