244211211402421 has 32 divisors (see below), whose sum is σ = 284092360646400. Its totient is φ = 208228325437440.

The previous prime is 244211211402407. The next prime is 244211211402461. The reversal of 244211211402421 is 124204112112442.

It is a cyclic number.

It is not a de Polignac number, because 244211211402421 - 2⁷ = 244211211402293 is a prime.

It is a super-2 number, since 2×244211211402421² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (244211211402461) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 25005201 + ... + 33371881.

It is an arithmetic number, because the mean of its divisors is an integer number (8877886270200).

Almost surely, 2^{244211211402421} is an apocalyptic number.

It is an amenable number.

244211211402421 is a deficient number, since it is larger than the sum of its proper divisors (39881149243979).

244211211402421 is a wasteful number, since it uses less digits than its factorization.

244211211402421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8370669.

The product of its (nonzero) digits is 8192, while the sum is 31.

Adding to 244211211402421 its reverse (124204112112442), we get a palindrome (368415323514863).

The spelling of 244211211402421 in words is "two hundred forty-four trillion, two hundred eleven billion, two hundred eleven million, four hundred two thousand, four hundred twenty-one".