1201221110102 has 8 divisors (see below), whose sum is σ = 1940434100976. Its totient is φ = 554409743112.

The previous prime is 1201221110087. The next prime is 1201221110123. The reversal of 1201221110102 is 2010111221021.

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, 23100405938 + ... + 23100405989.

It is an arithmetic number, because the mean of its divisors is an integer number (242554262622).

Almost surely, 2^{1201221110102} is an apocalyptic number.

1201221110102 is a deficient number, since it is larger than the sum of its proper divisors (739212990874).

1201221110102 is a wasteful number, since it uses less digits than its factorization.

1201221110102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46200811942.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 1201221110102 its reverse (2010111221021), we get a palindrome (3211332331123).

The spelling of 1201221110102 in words is "one trillion, two hundred one billion, two hundred twenty-one million, one hundred ten thousand, one hundred two".