2010102121221 has 16 divisors (see below), whose sum is σ = 2774832984000. Its totient is φ = 1292795614208.

The previous prime is 2010102121219. The next prime is 2010102121249. The reversal of 2010102121221 is 1221212010102.

It is a cyclic number.

It is not a de Polignac number, because 2010102121221 - 2¹ = 2010102121219 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2010102121221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2010102129221) 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, 9386571 + ... + 9598328.

It is an arithmetic number, because the mean of its divisors is an integer number (173427061500).

Almost surely, 2^{2010102121221} is an apocalyptic number.

It is an amenable number.

2010102121221 is a deficient number, since it is larger than the sum of its proper divisors (764730862779).

2010102121221 is a wasteful number, since it uses less digits than its factorization.

2010102121221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18986148.

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

Adding to 2010102121221 its reverse (1221212010102), we get a palindrome (3231314131323).

The spelling of 2010102121221 in words is "two trillion, ten billion, one hundred two million, one hundred twenty-one thousand, two hundred twenty-one".