2203202101021 has 2 divisors, whose sum is σ = 2203202101022. Its totient is φ = 2203202101020.

The previous prime is 2203202101003. The next prime is 2203202101033. The reversal of 2203202101021 is 1201012023022.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1253134719225 + 950067381796 = 1119435^2 + 974714^2 .

It is a cyclic number.

It is not a de Polignac number, because 2203202101021 - 2¹³ = 2203202092829 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2203202100986 and 2203202101004.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2203202401021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1101601050510 + 1101601050511.

It is an arithmetic number, because the mean of its divisors is an integer number (1101601050511).

Almost surely, 2^{2203202101021} is an apocalyptic number.

It is an amenable number.

2203202101021 is a deficient number, since it is larger than the sum of its proper divisors (1).

2203202101021 is an equidigital number, since it uses as much as digits as its factorization.

2203202101021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 2203202101021 its reverse (1201012023022), we get a palindrome (3404214124043).

The spelling of 2203202101021 in words is "two trillion, two hundred three billion, two hundred two million, one hundred one thousand, twenty-one".