2010121222021 has 4 divisors (see below), whose sum is σ = 2192859514944. Its totient is φ = 1827382929100.

The previous prime is 2010121222007. The next prime is 2010121222051. The reversal of 2010121222021 is 1202221210102.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2010121222021 - 2⁵ = 2010121221989 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2010121221986 and 2010121222004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2010121222051) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 91369146445 + ... + 91369146466.

It is an arithmetic number, because the mean of its divisors is an integer number (548214878736).

Almost surely, 2^{2010121222021} is an apocalyptic number.

It is an amenable number.

2010121222021 is a deficient number, since it is larger than the sum of its proper divisors (182738292923).

2010121222021 is a wasteful number, since it uses less digits than its factorization.

2010121222021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182738292922.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 2010121222021 its reverse (1202221210102), we get a palindrome (3212342432123).

The spelling of 2010121222021 in words is "two trillion, ten billion, one hundred twenty-one million, two hundred twenty-two thousand, twenty-one".