211142143102 has 16 divisors (see below), whose sum is σ = 345523261824. Its totient is φ = 95968719000.

The previous prime is 211142143067. The next prime is 211142143141. The reversal of 211142143102 is 201341241112.

211142143102 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 202477 + ... + 680647.

It is an arithmetic number, because the mean of its divisors is an integer number (21595203864).

Almost surely, 2^211142143102 is an apocalyptic number.

211142143102 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

211142143102 is a deficient number, since it is larger than the sum of its proper divisors (134381118722).

211142143102 is a wasteful number, since it uses less digits than its factorization.

211142143102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 498255.

The product of its (nonzero) digits is 384, while the sum is 22.

Adding to 211142143102 its reverse (201341241112), we get a palindrome (412483384214).

The spelling of 211142143102 in words is "two hundred eleven billion, one hundred forty-two million, one hundred forty-three thousand, one hundred two".