1002100210019 has 2 divisors, whose sum is σ = 1002100210020. Its totient is φ = 1002100210018.

The previous prime is 1002100209991. The next prime is 1002100210127. The reversal of 1002100210019 is 9100120012001.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1002100210019 - 2¹² = 1002100205923 is a prime.

It is a super-2 number, since 2×1002100210019² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1002100209979 and 1002100210006.

It is not a weakly prime, because it can be changed into another prime (1002100210819) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 501050105009 + 501050105010.

It is an arithmetic number, because the mean of its divisors is an integer number (501050105010).

Almost surely, 2^{1002100210019} is an apocalyptic number.

1002100210019 is a deficient number, since it is larger than the sum of its proper divisors (1).

1002100210019 is an equidigital number, since it uses as much as digits as its factorization.

1002100210019 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36, while the sum is 17.

The spelling of 1002100210019 in words is "one trillion, two billion, one hundred million, two hundred ten thousand, nineteen".