1020211012080 has 400 divisors, whose sum is σ = 3834060583584. Its totient is φ = 249934325760.

The previous prime is 1020211012049. The next prime is 1020211012081. The reversal of 1020211012080 is 802101120201.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1020211012081) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 17745942 + ... + 17803338.

Almost surely, 2^{1020211012080} is an apocalyptic number.

1020211012080 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1020211012080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1917030291792).

1020211012080 is an abundant number, since it is smaller than the sum of its proper divisors (2813849571504).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1020211012080 is a wasteful number, since it uses less digits than its factorization.

1020211012080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57646 (or 57631 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 1020211012080 its reverse (802101120201), we get a palindrome (1822312132281).

The spelling of 1020211012080 in words is "one trillion, twenty billion, two hundred eleven million, twelve thousand, eighty".