20211000202207 has 2 divisors, whose sum is σ = 20211000202208. Its totient is φ = 20211000202206.

The previous prime is 20211000202171. The next prime is 20211000202241. The reversal of 20211000202207 is 70220200011202.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20211000202207 - 2³¹ = 20208852718559 is a prime.

It is a super-2 number, since 2×20211000202207² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20211000202247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10105500101103 + 10105500101104.

It is an arithmetic number, because the mean of its divisors is an integer number (10105500101104).

Almost surely, 2^{20211000202207} is an apocalyptic number.

20211000202207 is a deficient number, since it is larger than the sum of its proper divisors (1).

20211000202207 is an equidigital number, since it uses as much as digits as its factorization.

20211000202207 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 224, while the sum is 19.

Adding to 20211000202207 its reverse (70220200011202), we get a palindrome (90431200213409).

The spelling of 20211000202207 in words is "twenty trillion, two hundred eleven billion, two hundred two thousand, two hundred seven".