1210020102101 has 8 divisors (see below), whose sum is σ = 1241373987840. Its totient is φ = 1179065629152.

The previous prime is 1210020101993. The next prime is 1210020102113. The reversal of 1210020102101 is 1012010200121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1210020102101 - 2¹⁰ = 1210020101077 is a prime.

It is a super-2 number, since 2×1210020102101² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1210020102121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 99847061 + ... + 99859178.

It is an arithmetic number, because the mean of its divisors is an integer number (155171748480).

Almost surely, 2^{1210020102101} is an apocalyptic number.

It is an amenable number.

1210020102101 is a deficient number, since it is larger than the sum of its proper divisors (31353885739).

1210020102101 is an equidigital number, since it uses as much as digits as its factorization.

1210020102101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 199706395.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 1210020102101 its reverse (1012010200121), we get a palindrome (2222030302222).

The spelling of 1210020102101 in words is "one trillion, two hundred ten billion, twenty million, one hundred two thousand, one hundred one".