211142010021 has 8 divisors (see below), whose sum is σ = 281695718304. Its totient is φ = 140674820880.

The previous prime is 211142009999. The next prime is 211142010031. The reversal of 211142010021 is 120010241112.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 211142010021 - 2⁵ = 211142009989 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211142010031) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21624090 + ... + 21633851.

It is an arithmetic number, because the mean of its divisors is an integer number (35211964788).

Almost surely, 2^211142010021 is an apocalyptic number.

It is an amenable number.

211142010021 is a deficient number, since it is larger than the sum of its proper divisors (70553708283).

211142010021 is a wasteful number, since it uses less digits than its factorization.

211142010021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43259571.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 211142010021 its reverse (120010241112), we get a palindrome (331152251133).

The spelling of 211142010021 in words is "two hundred eleven billion, one hundred forty-two million, ten thousand, twenty-one".