1210421611422 has 24 divisors (see below), whose sum is σ = 2693460704376. Its totient is φ = 392569171056.

The previous prime is 1210421611417. The next prime is 1210421611507. The reversal of 1210421611422 is 2241161240121.

1210421611422 is a `hidden beast` number, since 1 + 2 + 1 + 0 + 4 + 2 + 1 + 611 + 42 + 2 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 908724268 + ... + 908725599.

It is an arithmetic number, because the mean of its divisors is an integer number (112227529349).

Almost surely, 2^{1210421611422} is an apocalyptic number.

1210421611422 is an abundant number, since it is smaller than the sum of its proper divisors (1483039092954).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1210421611422 is a wasteful number, since it uses less digits than its factorization.

1210421611422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1817449912 (or 1817449909 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 27.

Adding to 1210421611422 its reverse (2241161240121), we get a palindrome (3451582851543).

The spelling of 1210421611422 in words is "one trillion, two hundred ten billion, four hundred twenty-one million, six hundred eleven thousand, four hundred twenty-two".