202101101211071 has 2 divisors, whose sum is σ = 202101101211072. Its totient is φ = 202101101211070.

The previous prime is 202101101211007. The next prime is 202101101211077. The reversal of 202101101211071 is 170112101101202.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 202101101211071 - 2⁶ = 202101101211007 is a prime.

It is a super-2 number, since 2×202101101211071² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (202101101211077) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101050550605535 + 101050550605536.

It is an arithmetic number, because the mean of its divisors is an integer number (101050550605536).

Almost surely, 2^{202101101211071} is an apocalyptic number.

202101101211071 is a deficient number, since it is larger than the sum of its proper divisors (1).

202101101211071 is an equidigital number, since it uses as much as digits as its factorization.

202101101211071 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 56, while the sum is 20.

Adding to 202101101211071 its reverse (170112101101202), we get a palindrome (372213202312273).

The spelling of 202101101211071 in words is "two hundred two trillion, one hundred one billion, one hundred one million, two hundred eleven thousand, seventy-one".