1220121122102 has 16 divisors (see below), whose sum is σ = 1871670855600. Its totient is φ = 596378748672.

The previous prime is 1220121122081. The next prime is 1220121122123. The reversal of 1220121122102 is 2012211210221.

It is an interprime number because it is at equal distance from previous prime (1220121122081) and next prime (1220121122123).

It is a congruent number.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 36961352 + ... + 36994347.

It is an arithmetic number, because the mean of its divisors is an integer number (116979428475).

Almost surely, 2^{1220121122102} is an apocalyptic number.

1220121122102 is a deficient number, since it is larger than the sum of its proper divisors (651549733498).

1220121122102 is a wasteful number, since it uses less digits than its factorization.

1220121122102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73955887.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 1220121122102 its reverse (2012211210221), we get a palindrome (3232332332323).

The spelling of 1220121122102 in words is "one trillion, two hundred twenty billion, one hundred twenty-one million, one hundred twenty-two thousand, one hundred two".