101011201002 has 24 divisors (see below), whose sum is σ = 218921192100. Its totient is φ = 33660617280.

The previous prime is 101011200977. The next prime is 101011201003. The reversal of 101011201002 is 200102110101.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 100679924601 + 331276401 = 317301^2 + 18201^2 .

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

It is not an unprimeable number, because it can be changed into a prime (101011201003) 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, 751449 + ... + 875612.

Almost surely, 2^101011201002 is an apocalyptic number.

101011201002 is an abundant number, since it is smaller than the sum of its proper divisors (117909991098).

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

101011201002 is a wasteful number, since it uses less digits than its factorization.

101011201002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1630518 (or 1630515 counting only the distinct ones).

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

Adding to 101011201002 its reverse (200102110101), we get a palindrome (301113311103).

Subtracting 101011201002 from its reverse (200102110101), we obtain a palindrome (99090909099).

The spelling of 101011201002 in words is "one hundred one billion, eleven million, two hundred one thousand, two".