2021222111210 has 16 divisors (see below), whose sum is σ = 3638242936800. Its totient is φ = 808479258576.

The previous prime is 2021222111171. The next prime is 2021222111213. The reversal of 2021222111210 is 121112221202.

It is not an unprimeable number, because it can be changed into a prime (2021222111213) 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, 279080 + ... + 2029859.

It is an arithmetic number, because the mean of its divisors is an integer number (227390183550).

Almost surely, 2^{2021222111210} is an apocalyptic number.

2021222111210 is a deficient number, since it is larger than the sum of its proper divisors (1617020825590).

2021222111210 is a wasteful number, since it uses less digits than its factorization.

2021222111210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2396485.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 2021222111210 its reverse (121112221202), we get a palindrome (2142334332412).

The spelling of 2021222111210 in words is "two trillion, twenty-one billion, two hundred twenty-two million, one hundred eleven thousand, two hundred ten".