2101011221102 has 4 divisors (see below), whose sum is σ = 3151516831656. Its totient is φ = 1050505610550.

The previous prime is 2101011221051. The next prime is 2101011221119. The reversal of 2101011221102 is 2011221101012.

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, 525252805274 + ... + 525252805277.

It is an arithmetic number, because the mean of its divisors is an integer number (787879207914).

Almost surely, 2^{2101011221102} is an apocalyptic number.

2101011221102 is a deficient number, since it is larger than the sum of its proper divisors (1050505610554).

2101011221102 is a wasteful number, since it uses less digits than its factorization.

2101011221102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1050505610553.

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

Adding to 2101011221102 its reverse (2011221101012), we get a palindrome (4112232322114).

The spelling of 2101011221102 in words is "two trillion, one hundred one billion, eleven million, two hundred twenty-one thousand, one hundred two".