1000021102141 has 2 divisors, whose sum is σ = 1000021102142. Its totient is φ = 1000021102140.

The previous prime is 1000021102139. The next prime is 1000021102147. The reversal of 1000021102141 is 1412011200001.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 724931342041 + 275089760100 = 851429^2 + 524490^2 .

It is a cyclic number.

It is not a de Polignac number, because 1000021102141 - 2¹ = 1000021102139 is a prime.

Together with 1000021102139, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1000021102147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 500010551070 + 500010551071.

It is an arithmetic number, because the mean of its divisors is an integer number (500010551071).

Almost surely, 2^{1000021102141} is an apocalyptic number.

It is an amenable number.

1000021102141 is a deficient number, since it is larger than the sum of its proper divisors (1).

1000021102141 is an equidigital number, since it uses as much as digits as its factorization.

1000021102141 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 1000021102141 its reverse (1412011200001), we get a palindrome (2412032302142).

The spelling of 1000021102141 in words is "one trillion, twenty-one million, one hundred two thousand, one hundred forty-one".