61211120101 has 8 divisors (see below), whose sum is σ = 61885036800. Its totient is φ = 60539089728.

The previous prime is 61211120099. The next prime is 61211120107. The reversal of 61211120101 is 10102111216.

61211120101 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 61211120101 - 2¹ = 61211120099 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61211120107) 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, 406276 + ... + 536173.

It is an arithmetic number, because the mean of its divisors is an integer number (7735629600).

Almost surely, 2^61211120101 is an apocalyptic number.

It is an amenable number.

61211120101 is a deficient number, since it is larger than the sum of its proper divisors (673916699).

61211120101 is a wasteful number, since it uses less digits than its factorization.

61211120101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 943163.

The product of its (nonzero) digits is 24, while the sum is 16.

Adding to 61211120101 its reverse (10102111216), we get a palindrome (71313231317).

The spelling of 61211120101 in words is "sixty-one billion, two hundred eleven million, one hundred twenty thousand, one hundred one".