221011000211102 has 4 divisors (see below), whose sum is σ = 331516500316656. Its totient is φ = 110505500105550.

The previous prime is 221011000211101. The next prime is 221011000211153. The reversal of 221011000211102 is 201112000110122.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221011000211101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55252750052774 + ... + 55252750052777.

It is an arithmetic number, because the mean of its divisors is an integer number (82879125079164).

Almost surely, 2^{221011000211102} is an apocalyptic number.

221011000211102 is a deficient number, since it is larger than the sum of its proper divisors (110505500105554).

221011000211102 is a wasteful number, since it uses less digits than its factorization.

221011000211102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110505500105553.

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

Adding to 221011000211102 its reverse (201112000110122), we get a palindrome (422123000321224).

The spelling of 221011000211102 in words is "two hundred twenty-one trillion, eleven billion, two hundred eleven thousand, one hundred two".