2010021222121 has 16 divisors (see below), whose sum is σ = 2199405881088. Its totient is φ = 1821748896000.

The previous prime is 2010021222089. The next prime is 2010021222133. The reversal of 2010021222121 is 1212221200102.

It is a happy number.

It is not a de Polignac number, because 2010021222121 - 2⁵ = 2010021222089 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2010021222095 and 2010021222104.

It is not an unprimeable number, because it can be changed into a prime (2010021228121) 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, 13250721 + ... + 13401553.

It is an arithmetic number, because the mean of its divisors is an integer number (137462867568).

Almost surely, 2^{2010021222121} is an apocalyptic number.

It is an amenable number.

2010021222121 is a deficient number, since it is larger than the sum of its proper divisors (189384658967).

2010021222121 is a wasteful number, since it uses less digits than its factorization.

2010021222121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154512.

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

Adding to 2010021222121 its reverse (1212221200102), we get a palindrome (3222242422223).

The spelling of 2010021222121 in words is "two trillion, ten billion, twenty-one million, two hundred twenty-two thousand, one hundred twenty-one".