10111121012 has 12 divisors (see below), whose sum is σ = 17716950720. Its totient is φ = 5049135096.

The previous prime is 10111121003. The next prime is 10111121039. The reversal of 10111121012 is 21012111101.

It is a junction number, because it is equal to n+sod(n) for n = 10111120984 and 10111121002.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1602812 + ... + 1609107.

It is an arithmetic number, because the mean of its divisors is an integer number (1476412560).

Almost surely, 2^10111121012 is an apocalyptic number.

It is an amenable number.

10111121012 is a deficient number, since it is larger than the sum of its proper divisors (7605829708).

10111121012 is a wasteful number, since it uses less digits than its factorization.

10111121012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3212710 (or 3212708 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 10111121012 its reverse (21012111101), we get a palindrome (31123232113).

The spelling of 10111121012 in words is "ten billion, one hundred eleven million, one hundred twenty-one thousand, twelve".