142210021211 has 8 divisors (see below), whose sum is σ = 143394814464. Its totient is φ = 141026731560.

The previous prime is 142210021201. The next prime is 142210021249. The reversal of 142210021211 is 112120012241.

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

It is a cyclic number.

It is not a de Polignac number, because 142210021211 - 2¹⁰ = 142210020187 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 142210021211.

It is not an unprimeable number, because it can be changed into a prime (142210021201) 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, 185555 + ... + 564668.

It is an arithmetic number, because the mean of its divisors is an integer number (17924351808).

Almost surely, 2^142210021211 is an apocalyptic number.

142210021211 is a deficient number, since it is larger than the sum of its proper divisors (1184793253).

142210021211 is a wasteful number, since it uses less digits than its factorization.

142210021211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 751801.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 142210021211 its reverse (112120012241), we get a palindrome (254330033452).

The spelling of 142210021211 in words is "one hundred forty-two billion, two hundred ten million, twenty-one thousand, two hundred eleven".