101211012122147 has 2 divisors, whose sum is σ = 101211012122148. Its totient is φ = 101211012122146.

The previous prime is 101211012122117. The next prime is 101211012122159. The reversal of 101211012122147 is 741221210112101.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 101211012122147 - 2⁶ = 101211012122083 is a prime.

It is not a weakly prime, because it can be changed into another prime (101211012122107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50605506061073 + 50605506061074.

It is an arithmetic number, because the mean of its divisors is an integer number (50605506061074).

Almost surely, 2^{101211012122147} is an apocalyptic number.

101211012122147 is a deficient number, since it is larger than the sum of its proper divisors (1).

101211012122147 is an equidigital number, since it uses as much as digits as its factorization.

101211012122147 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 448, while the sum is 26.

Adding to 101211012122147 its reverse (741221210112101), we get a palindrome (842432222234248).

The spelling of 101211012122147 in words is "one hundred one trillion, two hundred eleven billion, twelve million, one hundred twenty-two thousand, one hundred forty-seven".