1210200222021 has 16 divisors (see below), whose sum is σ = 1844342243328. Its totient is φ = 691457626800.

The previous prime is 1210200222017. The next prime is 1210200222029. The reversal of 1210200222021 is 1202220020121.

It is not a de Polignac number, because 1210200222021 - 2² = 1210200222017 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1210200222029) 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, 3382165 + ... + 3722826.

It is an arithmetic number, because the mean of its divisors is an integer number (115271390208).

Almost surely, 2^{1210200222021} is an apocalyptic number.

It is an amenable number.

1210200222021 is a deficient number, since it is larger than the sum of its proper divisors (634142021307).

1210200222021 is an equidigital number, since it uses as much as digits as its factorization.

1210200222021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7113112.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 1210200222021 its reverse (1202220020121), we get a palindrome (2412420242142).

The spelling of 1210200222021 in words is "one trillion, two hundred ten billion, two hundred million, two hundred twenty-two thousand, twenty-one".