111210323420 has 48 divisors (see below), whose sum is σ = 267010587648. Its totient is φ = 38114137920.

The previous prime is 111210323407. The next prime is 111210323437. The reversal of 111210323420 is 24323012111.

It is a super-3 number, since 3×111210323420³ (a number of 34 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 111210323392 and 111210323401.

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, 199835 + ... + 512205.

It is an arithmetic number, because the mean of its divisors is an integer number (5562720576).

Almost surely, 2^111210323420 is an apocalyptic number.

111210323420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111210323420 is an abundant number, since it is smaller than the sum of its proper divisors (155800264228).

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

111210323420 is a wasteful number, since it uses less digits than its factorization.

111210323420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 314930 (or 314928 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 111210323420 its reverse (24323012111), we get a palindrome (135533335531).

The spelling of 111210323420 in words is "one hundred eleven billion, two hundred ten million, three hundred twenty-three thousand, four hundred twenty".