21227211062 has 16 divisors (see below), whose sum is σ = 32171407632. Its totient is φ = 10503948000.

The previous prime is 21227211023. The next prime is 21227211067. The reversal of 21227211062 is 26011272212.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21227211067) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55853 + ... + 213480.

It is an arithmetic number, because the mean of its divisors is an integer number (2010712977).

Almost surely, 2^21227211062 is an apocalyptic number.

21227211062 is a deficient number, since it is larger than the sum of its proper divisors (10944196570).

21227211062 is a wasteful number, since it uses less digits than its factorization.

21227211062 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 269743.

The product of its (nonzero) digits is 1344, while the sum is 26.

Adding to 21227211062 its reverse (26011272212), we get a palindrome (47238483274).

The spelling of 21227211062 in words is "twenty-one billion, two hundred twenty-seven million, two hundred eleven thousand, sixty-two".