1002120110019 has 12 divisors (see below), whose sum is σ = 1654293515056. Its totient is φ = 572640062832.

The previous prime is 1002120110011. The next prime is 1002120110029. The reversal of 1002120110019 is 9100110212001.

It is a happy number.

It is not a de Polignac number, because 1002120110019 - 2³ = 1002120110011 is a prime.

It is a super-2 number, since 2×1002120110019² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1002120109983 and 1002120110010.

It is not an unprimeable number, because it can be changed into a prime (1002120110011) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7953334144 + ... + 7953334269.

Almost surely, 2^{1002120110019} is an apocalyptic number.

1002120110019 is a deficient number, since it is larger than the sum of its proper divisors (652173405037).

1002120110019 is a wasteful number, since it uses less digits than its factorization.

1002120110019 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15906668426 (or 15906668423 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 18.

It can be divided in two parts, 1002 and 120110019, that added together give a palindrome (120111021).

The spelling of 1002120110019 in words is "one trillion, two billion, one hundred twenty million, one hundred ten thousand, nineteen".