211202102051 has 2 divisors, whose sum is σ = 211202102052. Its totient is φ = 211202102050.

The previous prime is 211202102029. The next prime is 211202102101. The reversal of 211202102051 is 150201202112.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 211202102051 - 2²² = 211197907747 is a prime.

It is a super-2 number, since 2×211202102051² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (211202102851) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105601051025 + 105601051026.

It is an arithmetic number, because the mean of its divisors is an integer number (105601051026).

Almost surely, 2^211202102051 is an apocalyptic number.

211202102051 is a deficient number, since it is larger than the sum of its proper divisors (1).

211202102051 is an equidigital number, since it uses as much as digits as its factorization.

211202102051 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 80, while the sum is 17.

Adding to 211202102051 its reverse (150201202112), we get a palindrome (361403304163).

The spelling of 211202102051 in words is "two hundred eleven billion, two hundred two million, one hundred two thousand, fifty-one".