1121210112102 has 32 divisors (see below), whose sum is σ = 2374717023072. Its totient is φ = 351694454784.

The previous prime is 1121210112083. The next prime is 1121210112103. The reversal of 1121210112102 is 2012110121211.

It is a happy number.

It is a super-2 number, since 2×1121210112102² (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 (1121210112103) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 275563 + ... + 1522614.

It is an arithmetic number, because the mean of its divisors is an integer number (74209906971).

Almost surely, 2^{1121210112102} is an apocalyptic number.

1121210112102 is an abundant number, since it is smaller than the sum of its proper divisors (1253506910970).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1121210112102 is a wasteful number, since it uses less digits than its factorization.

1121210112102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1804312.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 1121210112102 its reverse (2012110121211), we get a palindrome (3133320233313).

The spelling of 1121210112102 in words is "one trillion, one hundred twenty-one billion, two hundred ten million, one hundred twelve thousand, one hundred two".