202012022101 has 2 divisors, whose sum is σ = 202012022102. Its totient is φ = 202012022100.

The previous prime is 202012022087. The next prime is 202012022119. The reversal of 202012022101 is 101220210202.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 165872111076 + 36139911025 = 407274^2 + 190105^2 .

It is a cyclic number.

It is not a de Polignac number, because 202012022101 - 2¹³ = 202012013909 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (202012022701) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101006011050 + 101006011051.

It is an arithmetic number, because the mean of its divisors is an integer number (101006011051).

Almost surely, 2^202012022101 is an apocalyptic number.

It is an amenable number.

202012022101 is a deficient number, since it is larger than the sum of its proper divisors (1).

202012022101 is an equidigital number, since it uses as much as digits as its factorization.

202012022101 is an evil number, because the sum of its binary digits is even.

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

Adding to 202012022101 its reverse (101220210202), we get a palindrome (303232232303).

The spelling of 202012022101 in words is "two hundred two billion, twelve million, twenty-two thousand, one hundred one".