20101201102122 has 32 divisors (see below), whose sum is σ = 45945750528000. Its totient is φ = 5743181813808.

The previous prime is 20101201102033. The next prime is 20101201102127. The reversal of 20101201102122 is 22120110210102.

It is not an unprimeable number, because it can be changed into a prime (20101201102127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17538079 + ... + 18649037.

It is an arithmetic number, because the mean of its divisors is an integer number (1435804704000).

Almost surely, 2^{20101201102122} is an apocalyptic number.

20101201102122 is an abundant number, since it is smaller than the sum of its proper divisors (25844549425878).

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

20101201102122 is a wasteful number, since it uses less digits than its factorization.

20101201102122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1541770.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 20101201102122 its reverse (22120110210102), we get a palindrome (42221311312224).

The spelling of 20101201102122 in words is "twenty trillion, one hundred one billion, two hundred one million, one hundred two thousand, one hundred twenty-two".