1220111222102 has 8 divisors (see below), whose sum is σ = 1830273049200. Its totient is φ = 610020205704.

The previous prime is 1220111222101. The next prime is 1220111222167. The reversal of 1220111222102 is 2012221110221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1220111222101) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17659577 + ... + 17728532.

It is an arithmetic number, because the mean of its divisors is an integer number (228784131150).

Almost surely, 2^{1220111222102} is an apocalyptic number.

1220111222102 is a deficient number, since it is larger than the sum of its proper divisors (610161827098).

1220111222102 is a wasteful number, since it uses less digits than its factorization.

1220111222102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35405350.

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

Adding to 1220111222102 its reverse (2012221110221), we get a palindrome (3232332332323).

The spelling of 1220111222102 in words is "one trillion, two hundred twenty billion, one hundred eleven million, two hundred twenty-two thousand, one hundred two".