221223114012340 has 48 divisors (see below), whose sum is σ = 517585065225984. Its totient is φ = 78733177904000.

The previous prime is 221223114012319. The next prime is 221223114012371. The reversal of 221223114012340 is 43210411322122.

It is a junction number, because it is equal to n+sod(n) for n = 221223114012299 and 221223114012308.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10697432311 + ... + 10697452990.

It is an arithmetic number, because the mean of its divisors is an integer number (10783022192208).

Almost surely, 2^{221223114012340} is an apocalyptic number.

221223114012340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

221223114012340 is an abundant number, since it is smaller than the sum of its proper divisors (296361951213644).

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

221223114012340 is a wasteful number, since it uses less digits than its factorization.

221223114012340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21394885368 (or 21394885366 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 28.

Adding to 221223114012340 its reverse (43210411322122), we get a palindrome (264433525334462).

The spelling of 221223114012340 in words is "two hundred twenty-one trillion, two hundred twenty-three billion, one hundred fourteen million, twelve thousand, three hundred forty".