2010100121221 has 8 divisors (see below), whose sum is σ = 2056865960864. Its totient is φ = 1963335160080.

The previous prime is 2010100121191. The next prime is 2010100121261. The reversal of 2010100121221 is 1221210010102.

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

It is a cyclic number.

It is not a de Polignac number, because 2010100121221 - 2⁷ = 2010100121093 is a prime.

It is a super-3 number, since 3×2010100121221³ (a number of 38 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2010100121261) 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, 7660030 + ... + 7918096.

It is an arithmetic number, because the mean of its divisors is an integer number (257108245108).

Almost surely, 2^{2010100121221} is an apocalyptic number.

It is an amenable number.

2010100121221 is a deficient number, since it is larger than the sum of its proper divisors (46765839643).

2010100121221 is a wasteful number, since it uses less digits than its factorization.

2010100121221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 439251.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 2010100121221 its reverse (1221210010102), we get a palindrome (3231310131323).

The spelling of 2010100121221 in words is "two trillion, ten billion, one hundred million, one hundred twenty-one thousand, two hundred twenty-one".