1011201002010 has 24 divisors (see below), whose sum is σ = 2629122605460. Its totient is φ = 269653600512.

The previous prime is 1011201002003. The next prime is 1011201002051. The reversal of 1011201002010 is 102001021101.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 882267582681 + 128933419329 = 939291^2 + 359073^2 .

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 = 1011201001983 and 1011201002001.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5617783255 + ... + 5617783434.

Almost surely, 2^{1011201002010} is an apocalyptic number.

1011201002010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1011201002010 is an abundant number, since it is smaller than the sum of its proper divisors (1617921603450).

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

1011201002010 is a wasteful number, since it uses less digits than its factorization.

1011201002010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11235566702 (or 11235566699 counting only the distinct ones).

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

Adding to 1011201002010 its reverse (102001021101), we get a palindrome (1113202023111).

The spelling of 1011201002010 in words is "one trillion, eleven billion, two hundred one million, two thousand, ten".