2021123023210 has 16 divisors (see below), whose sum is σ = 3639383534592. Its totient is φ = 808146522000.

The previous prime is 2021123023159. The next prime is 2021123023253. The reversal of 2021123023210 is 123203211202.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37807866 + ... + 37861285.

It is an arithmetic number, because the mean of its divisors is an integer number (227461470912).

Almost surely, 2^{2021123023210} is an apocalyptic number.

2021123023210 is a deficient number, since it is larger than the sum of its proper divisors (1618260511382).

2021123023210 is a wasteful number, since it uses less digits than its factorization.

2021123023210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75671829.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 2021123023210 its reverse (123203211202), we get a palindrome (2144326234412).

The spelling of 2021123023210 in words is "two trillion, twenty-one billion, one hundred twenty-three million, twenty-three thousand, two hundred ten".