101210002101 has 48 divisors (see below), whose sum is σ = 158072736640. Its totient is φ = 62032417920.

The previous prime is 101210002099. The next prime is 101210002141. The reversal of 101210002101 is 101200012101.

It is a happy number.

It is not a de Polignac number, because 101210002101 - 2¹ = 101210002099 is a prime.

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

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101210002141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 42685446 + ... + 42687816.

Almost surely, 2^101210002101 is an apocalyptic number.

It is an amenable number.

101210002101 is a deficient number, since it is larger than the sum of its proper divisors (56862734539).

101210002101 is a wasteful number, since it uses less digits than its factorization.

101210002101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3706 (or 3703 counting only the distinct ones).

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

Adding to 101210002101 its reverse (101200012101), we get a palindrome (202410014202).

The spelling of 101210002101 in words is "one hundred one billion, two hundred ten million, two thousand, one hundred one".