1210002010101 has 40 divisors (see below), whose sum is σ = 1811430139904. Its totient is φ = 804931123680.

The previous prime is 1210002010079. The next prime is 1210002010153. The reversal of 1210002010101 is 1010102000121.

It is a happy number.

It is not a de Polignac number, because 1210002010101 - 2⁵ = 1210002010069 is a prime.

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

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1210002010181) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 75096036 + ... + 75112146.

Almost surely, 2^{1210002010101} is an apocalyptic number.

It is an amenable number.

1210002010101 is a deficient number, since it is larger than the sum of its proper divisors (601428129803).

1210002010101 is a wasteful number, since it uses less digits than its factorization.

1210002010101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18063 (or 18054 counting only the distinct ones).

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

Adding to 1210002010101 its reverse (1010102000121), we get a palindrome (2220104010222).

The spelling of 1210002010101 in words is "one trillion, two hundred ten billion, two million, ten thousand, one hundred one".