1220100002122 has 16 divisors (see below), whose sum is σ = 1882217807712. Its totient is φ = 592838099280.

The previous prime is 1220100002083. The next prime is 1220100002129. The reversal of 1220100002122 is 2212000010221.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1220100002129) 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, 35991204 + ... + 36025087.

It is an arithmetic number, because the mean of its divisors is an integer number (117638612982).

Almost surely, 2^{1220100002122} is an apocalyptic number.

1220100002122 is a deficient number, since it is larger than the sum of its proper divisors (662117805590).

1220100002122 is a wasteful number, since it uses less digits than its factorization.

1220100002122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72016533.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 1220100002122 its reverse (2212000010221), we get a palindrome (3432100012343).

The spelling of 1220100002122 in words is "one trillion, two hundred twenty billion, one hundred million, two thousand, one hundred twenty-two".