20122111010102 has 8 divisors (see below), whose sum is σ = 30238957952112. Its totient is φ = 10042458359400.

The previous prime is 20122111010101. The next prime is 20122111010149. The reversal of 20122111010102 is 20101011122102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20122111010101) 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, 9298571474 + ... + 9298573637.

It is an arithmetic number, because the mean of its divisors is an integer number (3779869744014).

Almost surely, 2^{20122111010102} is an apocalyptic number.

20122111010102 is a deficient number, since it is larger than the sum of its proper divisors (10116846942010).

20122111010102 is a wasteful number, since it uses less digits than its factorization.

20122111010102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18597145654.

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

Adding to 20122111010102 its reverse (20101011122102), we get a palindrome (40223122132204).

The spelling of 20122111010102 in words is "twenty trillion, one hundred twenty-two billion, one hundred eleven million, ten thousand, one hundred two".