101211011953 has 2 divisors, whose sum is σ = 101211011954. Its totient is φ = 101211011952.

The previous prime is 101211011933. The next prime is 101211012037. The reversal of 101211011953 is 359110112101.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 84731641569 + 16479370384 = 291087^2 + 128372^2 .

It is a cyclic number.

It is not a de Polignac number, because 101211011953 - 2²¹ = 101208914801 is a prime.

It is not a weakly prime, because it can be changed into another prime (101211011933) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50605505976 + 50605505977.

It is an arithmetic number, because the mean of its divisors is an integer number (50605505977).

Almost surely, 2^101211011953 is an apocalyptic number.

It is an amenable number.

101211011953 is a deficient number, since it is larger than the sum of its proper divisors (1).

101211011953 is an equidigital number, since it uses as much as digits as its factorization.

101211011953 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 270, while the sum is 25.

The spelling of 101211011953 in words is "one hundred one billion, two hundred eleven million, eleven thousand, nine hundred fifty-three".