2210121212010 has 64 divisors (see below), whose sum is σ = 5498563036032. Its totient is φ = 568077601536.

The previous prime is 2210121211999. The next prime is 2210121212017. The reversal of 2210121212010 is 102121210122.

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 (2210121212017) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9185437 + ... + 9422976.

It is an arithmetic number, because the mean of its divisors is an integer number (85915047438).

Almost surely, 2^{2210121212010} is an apocalyptic number.

2210121212010 is an abundant number, since it is smaller than the sum of its proper divisors (3288441824022).

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

2210121212010 is a wasteful number, since it uses less digits than its factorization.

2210121212010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18608567.

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

Adding to 2210121212010 its reverse (102121210122), we get a palindrome (2312242422132).

The spelling of 2210121212010 in words is "two trillion, two hundred ten billion, one hundred twenty-one million, two hundred twelve thousand, ten".