101021212012211 has 2 divisors, whose sum is σ = 101021212012212. Its totient is φ = 101021212012210.

The previous prime is 101021212012207. The next prime is 101021212012219. The reversal of 101021212012211 is 112210212120101.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 101021212012211 - 2² = 101021212012207 is a prime.

It is a super-2 number, since 2×101021212012211² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 101021212012211.

It is not a weakly prime, because it can be changed into another prime (101021212012219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50510606006105 + 50510606006106.

It is an arithmetic number, because the mean of its divisors is an integer number (50510606006106).

Almost surely, 2^{101021212012211} is an apocalyptic number.

101021212012211 is a deficient number, since it is larger than the sum of its proper divisors (1).

101021212012211 is an equidigital number, since it uses as much as digits as its factorization.

101021212012211 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 17.

Adding to 101021212012211 its reverse (112210212120101), we get a palindrome (213231424132312).

The spelling of 101021212012211 in words is "one hundred one trillion, twenty-one billion, two hundred twelve million, twelve thousand, two hundred eleven".