211143201142 has 16 divisors (see below), whose sum is σ = 316946806272. Its totient is φ = 105494299560.

The previous prime is 211143201127. The next prime is 211143201211. The reversal of 211143201142 is 241102341112.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20044417 + ... + 20054947.

It is an arithmetic number, because the mean of its divisors is an integer number (19809175392).

Almost surely, 2^211143201142 is an apocalyptic number.

211143201142 is a deficient number, since it is larger than the sum of its proper divisors (105803605130).

211143201142 is a wasteful number, since it uses less digits than its factorization.

211143201142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16923.

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

Adding to 211143201142 its reverse (241102341112), we get a palindrome (452245542254).

The spelling of 211143201142 in words is "two hundred eleven billion, one hundred forty-three million, two hundred one thousand, one hundred forty-two".