1121210102120 has 64 divisors (see below), whose sum is σ = 2548541134800. Its totient is φ = 443897036800.

The previous prime is 1121210102113. The next prime is 1121210102231. The reversal of 1121210102120 is 212010121211.

It can be written as a sum of positive squares in 8 ways, for example, as 1114726309636 + 6483792484 = 1055806^2 + 80522^2 .

It is a super-2 number, since 2×1121210102120² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1121210102095 and 1121210102104.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12629246 + ... + 12717714.

Almost surely, 2^{1121210102120} is an apocalyptic number.

1121210102120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1121210102120 is an abundant number, since it is smaller than the sum of its proper divisors (1427331032680).

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

1121210102120 is a wasteful number, since it uses less digits than its factorization.

1121210102120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91718 (or 91714 counting only the distinct ones).

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

Adding to 1121210102120 its reverse (212010121211), we get a palindrome (1333220223331).

The spelling of 1121210102120 in words is "one trillion, one hundred twenty-one billion, two hundred ten million, one hundred two thousand, one hundred twenty".