20110021020122 has 16 divisors (see below), whose sum is σ = 33000528969792. Its totient is φ = 9115023688320.

The previous prime is 20110021020077. The next prime is 20110021020139. The reversal of 20110021020122 is 22102012001102.

It is a junction number, because it is equal to n+sod(n) for n = 20110021020097 and 20110021020106.

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, 1294739918 + ... + 1294755449.

It is an arithmetic number, because the mean of its divisors is an integer number (2062533060612).

Almost surely, 2^{20110021020122} is an apocalyptic number.

20110021020122 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

20110021020122 is a deficient number, since it is larger than the sum of its proper divisors (12890507949670).

20110021020122 is a wasteful number, since it uses less digits than its factorization.

20110021020122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2589495733.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 20110021020122 its reverse (22102012001102), we get a palindrome (42212033021224).

The spelling of 20110021020122 in words is "twenty trillion, one hundred ten billion, twenty-one million, twenty thousand, one hundred twenty-two".