1210422234021 has 64 divisors (see below), whose sum is σ = 2225475065856. Its totient is φ = 564735110400.

The previous prime is 1210422234013. The next prime is 1210422234053. The reversal of 1210422234021 is 1204322240121.

It is not a de Polignac number, because 1210422234021 - 2³ = 1210422234013 is a prime.

It is a super-2 number, since 2×1210422234021² (a number of 25 digits) contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1210422233982 and 1210422234000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1210422234001) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 5335795 + ... + 5558016.

It is an arithmetic number, because the mean of its divisors is an integer number (34773047904).

Almost surely, 2^{1210422234021} is an apocalyptic number.

1210422234021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1210422234021 is a deficient number, since it is larger than the sum of its proper divisors (1015052831835).

1210422234021 is a wasteful number, since it uses less digits than its factorization.

1210422234021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10893882.

The product of its (nonzero) digits is 1536, while the sum is 24.

Adding to 1210422234021 its reverse (1204322240121), we get a palindrome (2414744474142).

The spelling of 1210422234021 in words is "one trillion, two hundred ten billion, four hundred twenty-two million, two hundred thirty-four thousand, twenty-one".