20111120022110 has 192 divisors, whose sum is σ = 40025096854848. Its totient is φ = 7271107264512.

The previous prime is 20111120022073. The next prime is 20111120022137. The reversal of 20111120022110 is 1122002111102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 8847829934 + ... + 8847832206.

It is an arithmetic number, because the mean of its divisors is an integer number (208464046119).

Almost surely, 2^{20111120022110} is an apocalyptic number.

20111120022110 is a deficient number, since it is larger than the sum of its proper divisors (19913976832738).

20111120022110 is a wasteful number, since it uses less digits than its factorization.

20111120022110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2959 (or 2946 counting only the distinct ones).

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

Adding to 20111120022110 its reverse (1122002111102), we get a palindrome (21233122133212).

The spelling of 20111120022110 in words is "twenty trillion, one hundred eleven billion, one hundred twenty million, twenty-two thousand, one hundred ten".