21320101123222 has 16 divisors (see below), whose sum is σ = 34919357214672. Its totient is φ = 9682088663520.

The previous prime is 21320101123201. The next prime is 21320101123247. The reversal of 21320101123222 is 22232110102312.

It is a super-3 number, since 3×21320101123222³ (a number of 41 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 21320101123193 and 21320101123202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 443295033 + ... + 443343124.

It is an arithmetic number, because the mean of its divisors is an integer number (2182459825917).

Almost surely, 2^{21320101123222} is an apocalyptic number.

21320101123222 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

21320101123222 is a deficient number, since it is larger than the sum of its proper divisors (13599256091450).

21320101123222 is a wasteful number, since it uses less digits than its factorization.

21320101123222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 886639263.

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 21320101123222 its reverse (22232110102312), we get a palindrome (43552211225534).

The spelling of 21320101123222 in words is "twenty-one trillion, three hundred twenty billion, one hundred one million, one hundred twenty-three thousand, two hundred twenty-two".