221110000120102 has 4 divisors (see below), whose sum is σ = 331665000180156. Its totient is φ = 110555000060050.

The previous prime is 221110000120073. The next prime is 221110000120153. The reversal of 221110000120102 is 201021000011122.

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

It is a super-2 number, since 2×221110000120102² (a number of 29 digits) contains 22 as substring.

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, 55277500030024 + ... + 55277500030027.

It is an arithmetic number, because the mean of its divisors is an integer number (82916250045039).

Almost surely, 2^{221110000120102} is an apocalyptic number.

221110000120102 is a deficient number, since it is larger than the sum of its proper divisors (110555000060054).

221110000120102 is a wasteful number, since it uses less digits than its factorization.

221110000120102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110555000060053.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 221110000120102 its reverse (201021000011122), we get a palindrome (422131000131224).

The spelling of 221110000120102 in words is "two hundred twenty-one trillion, one hundred ten billion, one hundred twenty thousand, one hundred two".