1220220211102 has 8 divisors (see below), whose sum is σ = 1830337000056. Its totient is φ = 610107877752.

The previous prime is 1220220211081. The next prime is 1220220211127. The reversal of 1220220211102 is 2011120220221.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 314508 + ... + 1593535.

It is an arithmetic number, because the mean of its divisors is an integer number (228792125007).

Almost surely, 2^{1220220211102} is an apocalyptic number.

1220220211102 is a deficient number, since it is larger than the sum of its proper divisors (610116788954).

1220220211102 is a wasteful number, since it uses less digits than its factorization.

1220220211102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2227802.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 1220220211102 its reverse (2011120220221), we get a palindrome (3231340431323).

The spelling of 1220220211102 in words is "one trillion, two hundred twenty billion, two hundred twenty million, two hundred eleven thousand, one hundred two".