210102121220010 has 32 divisors (see below), whose sum is σ = 504245472944832. Its totient is φ = 56027189879040.

The previous prime is 210102121219993. The next prime is 210102121220011. The reversal of 210102121220010 is 10022121201012.

It is a super-2 number, since 2×210102121220010² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is not an unprimeable number, because it can be changed into a prime (210102121220011) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 72599970 + ... + 75438450.

It is an arithmetic number, because the mean of its divisors is an integer number (15757671029526).

Almost surely, 2^{210102121220010} is an apocalyptic number.

210102121220010 is an abundant number, since it is smaller than the sum of its proper divisors (294143351724822).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

210102121220010 is a wasteful number, since it uses less digits than its factorization.

210102121220010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5305798.

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

Adding to 210102121220010 its reverse (10022121201012), we get a palindrome (220124242421022).

The spelling of 210102121220010 in words is "two hundred ten trillion, one hundred two billion, one hundred twenty-one million, two hundred twenty thousand, ten".