20111121032 has 32 divisors (see below), whose sum is σ = 38004225600. Its totient is φ = 9976824000.

The previous prime is 20111121013. The next prime is 20111121047. The reversal of 20111121032 is 23012111102.

It is a junction number, because it is equal to n+sod(n) for n = 20111120998 and 20111121016.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1027982 + ... + 1047362.

It is an arithmetic number, because the mean of its divisors is an integer number (1187632050).

Almost surely, 2^20111121032 is an apocalyptic number.

It is an amenable number.

20111121032 is a deficient number, since it is larger than the sum of its proper divisors (17893104568).

20111121032 is a wasteful number, since it uses less digits than its factorization.

20111121032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20397 (or 20393 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 20111121032 its reverse (23012111102), we get a palindrome (43123232134).

The spelling of 20111121032 in words is "twenty billion, one hundred eleven million, one hundred twenty-one thousand, thirty-two".