1221014714106 has 16 divisors (see below), whose sum is σ = 2664032103648. Its totient is φ = 370004458800.

The previous prime is 1221014714093. The next prime is 1221014714159. The reversal of 1221014714106 is 6014174101221.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9250111405 + ... + 9250111536.

It is an arithmetic number, because the mean of its divisors is an integer number (166502006478).

Almost surely, 2^{1221014714106} is an apocalyptic number.

1221014714106 is an abundant number, since it is smaller than the sum of its proper divisors (1443017389542).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1221014714106 is a wasteful number, since it uses less digits than its factorization.

1221014714106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18500222957.

The product of its (nonzero) digits is 2688, while the sum is 30.

Adding to 1221014714106 its reverse (6014174101221), we get a palindrome (7235188815327).

The spelling of 1221014714106 in words is "one trillion, two hundred twenty-one billion, fourteen million, seven hundred fourteen thousand, one hundred six".