61222703011 has 2 divisors, whose sum is σ = 61222703012. Its totient is φ = 61222703010.

The previous prime is 61222702997. The next prime is 61222703053. The reversal of 61222703011 is 11030722216.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-61222703011 is a prime.

It is a super-2 number, since 2×61222703011² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (61222703611) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30611351505 + 30611351506.

It is an arithmetic number, because the mean of its divisors is an integer number (30611351506).

Almost surely, 2^61222703011 is an apocalyptic number.

61222703011 is a deficient number, since it is larger than the sum of its proper divisors (1).

61222703011 is an equidigital number, since it uses as much as digits as its factorization.

61222703011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1008, while the sum is 25.

The spelling of 61222703011 in words is "sixty-one billion, two hundred twenty-two million, seven hundred three thousand, eleven".