20001202101201 has 16 divisors (see below), whose sum is σ = 26932459433984. Its totient is φ = 13202090470224.

The previous prime is 20001202101163. The next prime is 20001202101239. The reversal of 20001202101201 is 10210120210002.

It is an interprime number because it is at equal distance from previous prime (20001202101163) and next prime (20001202101239).

It is not a de Polignac number, because 20001202101201 - 2⁷ = 20001202101073 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20001202105201) 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, 4759201 + ... + 7915326.

It is an arithmetic number, because the mean of its divisors is an integer number (1683278714624).

Almost surely, 2^{20001202101201} is an apocalyptic number.

It is an amenable number.

20001202101201 is a deficient number, since it is larger than the sum of its proper divisors (6931257332783).

20001202101201 is a wasteful number, since it uses less digits than its factorization.

20001202101201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12679740.

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

Adding to 20001202101201 its reverse (10210120210002), we get a palindrome (30211322311203).

It can be divided in two parts, 20001 and 202101201, that added together give a palindrome (202121202).

The spelling of 20001202101201 in words is "twenty trillion, one billion, two hundred two million, one hundred one thousand, two hundred one".