20122011102 has 32 divisors (see below), whose sum is σ = 40433193504. Its totient is φ = 6675840000.

The previous prime is 20122011083. The next prime is 20122011109. The reversal of 20122011102 is 20111022102.

It is a super-2 number, since 2×20122011102² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20122011109) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4337128 + ... + 4341764.

It is an arithmetic number, because the mean of its divisors is an integer number (1263537297).

Almost surely, 2^20122011102 is an apocalyptic number.

20122011102 is an abundant number, since it is smaller than the sum of its proper divisors (20311182402).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20122011102 is a wasteful number, since it uses less digits than its factorization.

20122011102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7884.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 20122011102 its reverse (20111022102), we get a palindrome (40233033204).

The spelling of 20122011102 in words is "twenty billion, one hundred twenty-two million, eleven thousand, one hundred two".