101021101229 has 2 divisors, whose sum is σ = 101021101230. Its totient is φ = 101021101228.

The previous prime is 101021101151. The next prime is 101021101289. The reversal of 101021101229 is 922101120101.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 90309265225 + 10711836004 = 300515^2 + 103498^2 .

It is a cyclic number.

It is not a de Polignac number, because 101021101229 - 2¹⁶ = 101021035693 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 101021101229.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (101021101289) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50510550614 + 50510550615.

It is an arithmetic number, because the mean of its divisors is an integer number (50510550615).

Almost surely, 2^101021101229 is an apocalyptic number.

It is an amenable number.

101021101229 is a deficient number, since it is larger than the sum of its proper divisors (1).

101021101229 is an equidigital number, since it uses as much as digits as its factorization.

101021101229 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72, while the sum is 20.

The spelling of 101021101229 in words is "one hundred one billion, twenty-one million, one hundred one thousand, two hundred twenty-nine".