1121210022112 has 24 divisors (see below), whose sum is σ = 2207457441000. Its totient is φ = 560585910144.

The previous prime is 1121210022103. The next prime is 1121210022131. The reversal of 1121210022112 is 2112200121211.

It is a super-2 number, since 2×1121210022112² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 381639 + ... + 1545337.

It is an arithmetic number, because the mean of its divisors is an integer number (91977393375).

Almost surely, 2^{1121210022112} is an apocalyptic number.

It is an amenable number.

1121210022112 is a deficient number, since it is larger than the sum of its proper divisors (1086247418888).

1121210022112 is a wasteful number, since it uses less digits than its factorization.

1121210022112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1193818 (or 1193810 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 1121210022112 its reverse (2112200121211), we get a palindrome (3233410143323).

Subtracting 1121210022112 from its reverse (2112200121211), we obtain a palindrome (990990099099).

The spelling of 1121210022112 in words is "one trillion, one hundred twenty-one billion, two hundred ten million, twenty-two thousand, one hundred twelve".