1020101119989 has 64 divisors (see below), whose sum is σ = 1667903477760. Its totient is φ = 541655251200.

The previous prime is 1020101119987. The next prime is 1020101120011. The reversal of 1020101119989 is 9899111010201.

It is not a de Polignac number, because 1020101119989 - 2¹ = 1020101119987 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1020101119989.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1020101119987) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 4193707 + ... + 4430279.

It is an arithmetic number, because the mean of its divisors is an integer number (26060991840).

Almost surely, 2^{1020101119989} is an apocalyptic number.

1020101119989 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

1020101119989 is a deficient number, since it is larger than the sum of its proper divisors (647802357771).

1020101119989 is a wasteful number, since it uses less digits than its factorization.

1020101119989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 236810.

The product of its (nonzero) digits is 11664, while the sum is 42.

The spelling of 1020101119989 in words is "one trillion, twenty billion, one hundred one million, one hundred nineteen thousand, nine hundred eighty-nine".