210120012202101 has 8 divisors (see below), whose sum is σ = 282880016427840. Its totient is φ = 138720008055552.

The previous prime is 210120012202091. The next prime is 210120012202129. The reversal of 210120012202101 is 101202210021012.

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

It is not a de Polignac number, because 210120012202101 - 2¹⁹ = 210120011677813 is a prime.

It is a super-2 number, since 2×210120012202101² (a number of 29 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210120012202181) 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, 340000019436 + ... + 340000020053.

It is an arithmetic number, because the mean of its divisors is an integer number (35360002053480).

Almost surely, 2^{210120012202101} is an apocalyptic number.

It is an amenable number.

210120012202101 is a deficient number, since it is larger than the sum of its proper divisors (72760004225739).

210120012202101 is a wasteful number, since it uses less digits than its factorization.

210120012202101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 680000039595.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 210120012202101 its reverse (101202210021012), we get a palindrome (311322222223113).

The spelling of 210120012202101 in words is "two hundred ten trillion, one hundred twenty billion, twelve million, two hundred two thousand, one hundred one".