20101120101201 has 32 divisors (see below), whose sum is σ = 27941661573120. Its totient is φ = 12839290776000.

The previous prime is 20101120101163. The next prime is 20101120101239. The reversal of 20101120101201 is 10210102110102.

It is an interprime number because it is at equal distance from previous prime (20101120101163) and next prime (20101120101239).

It is not a de Polignac number, because 20101120101201 - 2⁹ = 20101120100689 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20101120101001) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 183888480 + ... + 183997758.

It is an arithmetic number, because the mean of its divisors is an integer number (873176924160).

Almost surely, 2^{20101120101201} is an apocalyptic number.

It is an amenable number.

20101120101201 is a deficient number, since it is larger than the sum of its proper divisors (7840541471919).

20101120101201 is a wasteful number, since it uses less digits than its factorization.

20101120101201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128997.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 20101120101201 its reverse (10210102110102), we get a palindrome (30311222211303).

The spelling of 20101120101201 in words is "twenty trillion, one hundred one billion, one hundred twenty million, one hundred one thousand, two hundred one".