1011201221102 has 4 divisors (see below), whose sum is σ = 1516801831656. Its totient is φ = 505600610550.

The previous prime is 1011201221089. The next prime is 1011201221171. The reversal of 1011201221102 is 2011221021101.

1011201221102 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 252800305274 + ... + 252800305277.

It is an arithmetic number, because the mean of its divisors is an integer number (379200457914).

Almost surely, 2^{1011201221102} is an apocalyptic number.

1011201221102 is a deficient number, since it is larger than the sum of its proper divisors (505600610554).

1011201221102 is an equidigital number, since it uses as much as digits as its factorization.

1011201221102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 505600610553.

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

Adding to 1011201221102 its reverse (2011221021101), we get a palindrome (3022422242203).

The spelling of 1011201221102 in words is "one trillion, eleven billion, two hundred one million, two hundred twenty-one thousand, one hundred two".