61020211 has 8 divisors (see below), whose sum is σ = 70247520. Its totient is φ = 51920448.

The previous prime is 61020209. The next prime is 61020221. The reversal of 61020211 is 11202016.

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 61020211 - 2¹ = 61020209 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 61020191 and 61020200.

It is not an unprimeable number, because it can be changed into a prime (61020221) 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, 30856 + ... + 32773.

It is an arithmetic number, because the mean of its divisors is an integer number (8780940).

Almost surely, 2^61020211 is an apocalyptic number.

61020211 is a deficient number, since it is larger than the sum of its proper divisors (9227309).

61020211 is a wasteful number, since it uses less digits than its factorization.

61020211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63773.

The product of its (nonzero) digits is 24, while the sum is 13.

The square root of 61020211 is about 7811.5434454402. The cubic root of 61020211 is about 393.6931892169.

Adding to 61020211 its reverse (11202016), we get a palindrome (72222227).

The spelling of 61020211 in words is "sixty-one million, twenty thousand, two hundred eleven".