1210102202101 has 8 divisors (see below), whose sum is σ = 1303230650904. Its totient is φ = 1116979991040.

The previous prime is 1210102202069. The next prime is 1210102202119. The reversal of 1210102202101 is 1012022010121.

It can be written as a sum of positive squares in 4 ways, for example, as 21459320100 + 1188642882001 = 146490^2 + 1090249^2 .

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 1210102202101 - 2⁵ = 1210102202069 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1210102202131) 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, 1152580 + ... + 1936141.

It is an arithmetic number, because the mean of its divisors is an integer number (162903831363).

Almost surely, 2^{1210102202101} is an apocalyptic number.

It is an amenable number.

1210102202101 is a deficient number, since it is larger than the sum of its proper divisors (93128448803).

1210102202101 is a wasteful number, since it uses less digits than its factorization.

1210102202101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3118871.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 1210102202101 its reverse (1012022010121), we get a palindrome (2222124212222).

The spelling of 1210102202101 in words is "one trillion, two hundred ten billion, one hundred two million, two hundred two thousand, one hundred one".