122111147684 has 6 divisors (see below), whose sum is σ = 213694508454. Its totient is φ = 61055573840.

The previous prime is 122111147657. The next prime is 122111147689. The reversal of 122111147684 is 486741111221.

It can be written as a sum of positive squares in only one way, i.e., 68920950784 + 53190196900 = 262528^2 + 230630^2 .

It is a super-2 number, since 2×122111147684² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (122111147689) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15263893457 + ... + 15263893464.

It is an arithmetic number, because the mean of its divisors is an integer number (35615751409).

Almost surely, 2^122111147684 is an apocalyptic number.

It is an amenable number.

122111147684 is a deficient number, since it is larger than the sum of its proper divisors (91583360770).

122111147684 is a wasteful number, since it uses less digits than its factorization.

122111147684 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30527786925 (or 30527786923 counting only the distinct ones).

The product of its digits is 21504, while the sum is 38.

The spelling of 122111147684 in words is "one hundred twenty-two billion, one hundred eleven million, one hundred forty-seven thousand, six hundred eighty-four".