2010101221221 has 8 divisors (see below), whose sum is σ = 2752571041824. Its totient is φ = 1303849440720.

The previous prime is 2010101221201. The next prime is 2010101221243. The reversal of 2010101221221 is 1221221010102.

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

It is not a de Polignac number, because 2010101221221 - 2¹⁵ = 2010101188453 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2010101221221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2010101221201) 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, 9054509895 + ... + 9054510116.

It is an arithmetic number, because the mean of its divisors is an integer number (344071380228).

Almost surely, 2^{2010101221221} is an apocalyptic number.

It is an amenable number.

2010101221221 is a deficient number, since it is larger than the sum of its proper divisors (742469820603).

2010101221221 is a wasteful number, since it uses less digits than its factorization.

2010101221221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18109020051.

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

Adding to 2010101221221 its reverse (1221221010102), we get a palindrome (3231322231323).

It can be divided in two parts, 2010101 and 221221, that added together give a palindrome (2231322).

The spelling of 2010101221221 in words is "two trillion, ten billion, one hundred one million, two hundred twenty-one thousand, two hundred twenty-one".