61102042211 has 8 divisors (see below), whose sum is σ = 69856666464. Its totient is φ = 52353858240.

The previous prime is 61102042207. The next prime is 61102042229. The reversal of 61102042211 is 11224020116.

It is a happy number.

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 61102042211 - 2² = 61102042207 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (61102042231) 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, 1589720 + ... + 1627701.

It is an arithmetic number, because the mean of its divisors is an integer number (8732083308).

Almost surely, 2^61102042211 is an apocalyptic number.

61102042211 is a deficient number, since it is larger than the sum of its proper divisors (8754624253).

61102042211 is a wasteful number, since it uses less digits than its factorization.

61102042211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3220141.

The product of its (nonzero) digits is 192, while the sum is 20.

Adding to 61102042211 its reverse (11224020116), we get a palindrome (72326062327).

The spelling of 61102042211 in words is "sixty-one billion, one hundred two million, forty-two thousand, two hundred eleven".