1220211002029 has 2 divisors, whose sum is σ = 1220211002030. Its totient is φ = 1220211002028.

The previous prime is 1220211001861. The next prime is 1220211002057. The reversal of 1220211002029 is 9202001120221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1159939770025 + 60271232004 = 1077005^2 + 245502^2 .

It is a cyclic number.

It is not a de Polignac number, because 1220211002029 - 2²¹ = 1220208904877 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1220211002089) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 610105501014 + 610105501015.

It is an arithmetic number, because the mean of its divisors is an integer number (610105501015).

Almost surely, 2^{1220211002029} is an apocalyptic number.

It is an amenable number.

1220211002029 is a deficient number, since it is larger than the sum of its proper divisors (1).

1220211002029 is an equidigital number, since it uses as much as digits as its factorization.

1220211002029 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288, while the sum is 22.

The spelling of 1220211002029 in words is "one trillion, two hundred twenty billion, two hundred eleven million, two thousand, twenty-nine".