1121210111102 has 16 divisors (see below), whose sum is σ = 1690606064112. Its totient is φ = 557675020800.

The previous prime is 1121210111057. The next prime is 1121210111107. The reversal of 1121210111102 is 2011110121211.

It is a super-2 number, since 2×1121210111102² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1121210111107) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10717733 + ... + 10821839.

It is an arithmetic number, because the mean of its divisors is an integer number (105662879007).

Almost surely, 2^{1121210111102} is an apocalyptic number.

1121210111102 is a deficient number, since it is larger than the sum of its proper divisors (569395953010).

1121210111102 is a wasteful number, since it uses less digits than its factorization.

1121210111102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132203.

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 1121210111102 its reverse (2011110121211), we get a palindrome (3132320232313).

The spelling of 1121210111102 in words is "one trillion, one hundred twenty-one billion, two hundred ten million, one hundred eleven thousand, one hundred two".