10211142 has 8 divisors (see below), whose sum is σ = 20422296. Its totient is φ = 3403712.

The previous prime is 10211137. The next prime is 10211143. The reversal of 10211142 is 24111201.

It is a happy number.

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

10211142 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10211143) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 850923 + ... + 850934.

It is an arithmetic number, because the mean of its divisors is an integer number (2552787).

Almost surely, 2^10211142 is an apocalyptic number.

10211142 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

10211142 is a wasteful number, since it uses less digits than its factorization.

10211142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1701862.

The product of its (nonzero) digits is 16, while the sum is 12.

The square root of 10211142 is about 3195.4877561962. The cubic root of 10211142 is about 216.9492260886.

Adding to 10211142 its reverse (24111201), we get a palindrome (34322343).

The spelling of 10211142 in words is "ten million, two hundred eleven thousand, one hundred forty-two".