61122021050 has 24 divisors (see below), whose sum is σ = 116330846016. Its totient is φ = 23880230640.

The previous prime is 61122021049. The next prime is 61122021053. The reversal of 61122021050 is 5012022116.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (61122021053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14212274 + ... + 14216573.

It is an arithmetic number, because the mean of its divisors is an integer number (4847118584).

Almost surely, 2^61122021050 is an apocalyptic number.

61122021050 is a deficient number, since it is larger than the sum of its proper divisors (55208824966).

61122021050 is a wasteful number, since it uses less digits than its factorization.

61122021050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28428902 (or 28428897 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 20.

Adding to 61122021050 its reverse (5012022116), we get a palindrome (66134043166).

The spelling of 61122021050 in words is "sixty-one billion, one hundred twenty-two million, twenty-one thousand, fifty".