20122011121112 has 16 divisors (see below), whose sum is σ = 39369152193840. Its totient is φ = 9623570536096.

The previous prime is 20122011121103. The next prime is 20122011121117. The reversal of 20122011121112 is 21112111022102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20122011121117) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54679377863 + ... + 54679378230.

It is an arithmetic number, because the mean of its divisors is an integer number (2460572012115).

Almost surely, 2^{20122011121112} is an apocalyptic number.

It is an amenable number.

20122011121112 is a deficient number, since it is larger than the sum of its proper divisors (19247141072728).

20122011121112 is a wasteful number, since it uses less digits than its factorization.

20122011121112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109358756122 (or 109358756118 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 20122011121112 its reverse (21112111022102), we get a palindrome (41234122143214).

It can be divided in two parts, 2012201 and 1121112, that added together give a palindrome (3133313).

The spelling of 20122011121112 in words is "twenty trillion, one hundred twenty-two billion, eleven million, one hundred twenty-one thousand, one hundred twelve".