211201139 has 8 divisors (see below), whose sum is σ = 213055920. Its totient is φ = 209354656.

The previous prime is 211201129. The next prime is 211201141. The reversal of 211201139 is 931102112.

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 211201139 - 2¹² = 211197043 is a prime.

It is a super-2 number, since 2×211201139² = 89211842229794642, which contains 22 as substring.

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 211201139.

It is not an unprimeable number, because it can be changed into a prime (211201129) 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, 55892 + ... + 59550.

It is an arithmetic number, because the mean of its divisors is an integer number (26631990).

Almost surely, 2^211201139 is an apocalyptic number.

211201139 is a deficient number, since it is larger than the sum of its proper divisors (1854781).

211201139 is a wasteful number, since it uses less digits than its factorization.

211201139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4149.

The product of its (nonzero) digits is 108, while the sum is 20.

The square root of 211201139 is about 14532.7608870441. The cubic root of 211201139 is about 595.5232917285.

The spelling of 211201139 in words is "two hundred eleven million, two hundred one thousand, one hundred thirty-nine".