1020001011210 has 64 divisors (see below), whose sum is σ = 2730586550400. Its totient is φ = 270941884416.

The previous prime is 1020001011209. The next prime is 1020001011241. The reversal of 1020001011210 is 121101000201.

It is a happy number.

1020001011210 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 1020001011192 and 1020001011201.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7280380 + ... + 7419159.

It is an arithmetic number, because the mean of its divisors is an integer number (42665414850).

Almost surely, 2^{1020001011210} is an apocalyptic number.

1020001011210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1020001011210 is an abundant number, since it is smaller than the sum of its proper divisors (1710585539190).

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

1020001011210 is a wasteful number, since it uses less digits than its factorization.

1020001011210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14699812 (or 14699806 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

Adding to 1020001011210 its reverse (121101000201), we get a palindrome (1141102011411).

The spelling of 1020001011210 in words is "one trillion, twenty billion, one million, eleven thousand, two hundred ten".