2122101021201 has 16 divisors (see below), whose sum is σ = 3236266800000. Its totient is φ = 1211658259968.

The previous prime is 2122101021199. The next prime is 2122101021251. The reversal of 2122101021201 is 1021201012212.

It is not a de Polignac number, because 2122101021201 - 2¹ = 2122101021199 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2122101021251) 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, 40427106 + ... + 40479563.

It is an arithmetic number, because the mean of its divisors is an integer number (202266675000).

Almost surely, 2^{2122101021201} is an apocalyptic number.

2122101021201 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

2122101021201 is a deficient number, since it is larger than the sum of its proper divisors (1114165778799).

2122101021201 is a wasteful number, since it uses less digits than its factorization.

2122101021201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80907928.

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

Adding to 2122101021201 its reverse (1021201012212), we get a palindrome (3143302033413).

The spelling of 2122101021201 in words is "two trillion, one hundred twenty-two billion, one hundred one million, twenty-one thousand, two hundred one".