1201010011002 has 24 divisors (see below), whose sum is σ = 2755258261236. Its totient is φ = 376787454336.

The previous prime is 1201010010973. The next prime is 1201010011063. The reversal of 1201010011002 is 2001100101021.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1135995720561 + 65014290441 = 1065831^2 + 254979^2 .

It is a super-2 number, since 2×1201010011002² (a number of 25 digits) contains 22 as substring.

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

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1962434353 + ... + 1962434964.

Almost surely, 2^{1201010011002} is an apocalyptic number.

1201010011002 is an abundant number, since it is smaller than the sum of its proper divisors (1554248250234).

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

1201010011002 is a wasteful number, since it uses less digits than its factorization.

1201010011002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3924869342 (or 3924869339 counting only the distinct ones).

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

Adding to 1201010011002 its reverse (2001100101021), we get a palindrome (3202110112023).

The spelling of 1201010011002 in words is "one trillion, two hundred one billion, ten million, eleven thousand, two".