2202101220001 has 16 divisors (see below), whose sum is σ = 2257307210704. Its totient is φ = 2147612258304.

The previous prime is 2202101219947. The next prime is 2202101220071. The reversal of 2202101220001 is 1000221012022.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 2263475776 + 2199837744225 = 47576^2 + 1483185^2 .

It is a cyclic number.

It is not a de Polignac number, because 2202101220001 - 2¹³ = 2202101211809 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2202101220071) 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, 7770271 + ... + 8048683.

It is an arithmetic number, because the mean of its divisors is an integer number (141081700669).

Almost surely, 2^{2202101220001} is an apocalyptic number.

It is an amenable number.

2202101220001 is a deficient number, since it is larger than the sum of its proper divisors (55205990703).

2202101220001 is a wasteful number, since it uses less digits than its factorization.

2202101220001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 279700.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 2202101220001 its reverse (1000221012022), we get a palindrome (3202322232023).

The spelling of 2202101220001 in words is "two trillion, two hundred two billion, one hundred one million, two hundred twenty thousand, one".