121152111130 has 16 divisors (see below), whose sum is σ = 218098871784. Its totient is φ = 48455272960.

The previous prime is 121152111121. The next prime is 121152111131. The reversal of 121152111130 is 31111251121.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 121152028761 + 82369 = 348069^2 + 287^2 .

It is a junction number, because it is equal to n+sod(n) for n = 121152111098 and 121152111107.

It is not an unprimeable number, because it can be changed into a prime (121152111131) 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, 604531 + ... + 779590.

Almost surely, 2^121152111130 is an apocalyptic number.

121152111130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121152111130 is a deficient number, since it is larger than the sum of its proper divisors (96946760654).

121152111130 is a wasteful number, since it uses less digits than its factorization.

121152111130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1392881.

The product of its (nonzero) digits is 60, while the sum is 19.

Adding to 121152111130 its reverse (31111251121), we get a palindrome (152263362251).

It can be divided in two parts, 121 and 152111130, that added together give a palindrome (152111251).

The spelling of 121152111130 in words is "one hundred twenty-one billion, one hundred fifty-two million, one hundred eleven thousand, one hundred thirty".