1220220122102 has 4 divisors (see below), whose sum is σ = 1830330183156. Its totient is φ = 610110061050.

The previous prime is 1220220122087. The next prime is 1220220122119. The reversal of 1220220122102 is 2012210220221.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 305055030524 + ... + 305055030527.

It is an arithmetic number, because the mean of its divisors is an integer number (457582545789).

Almost surely, 2^{1220220122102} is an apocalyptic number.

1220220122102 is a deficient number, since it is larger than the sum of its proper divisors (610110061054).

1220220122102 is an equidigital number, since it uses as much as digits as its factorization.

1220220122102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 610110061053.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 1220220122102 its reverse (2012210220221), we get a palindrome (3232430342323).

The spelling of 1220220122102 in words is "one trillion, two hundred twenty billion, two hundred twenty million, one hundred twenty-two thousand, one hundred two".