103111021332 has 480 divisors, whose sum is σ = 330490347264. Its totient is φ = 27645235200.

The previous prime is 103111021303. The next prime is 103111021361. The reversal of 103111021332 is 233120111301.

103111021332 is a `hidden beast` number, since 1 + 0 + 311 + 1 + 0 + 21 + 332 = 666.

It is an interprime number because it is at equal distance from previous prime (103111021303) and next prime (103111021361).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 85004358 + ... + 85005570.

Almost surely, 2^103111021332 is an apocalyptic number.

103111021332 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 103111021332, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (165245173632).

103111021332 is an abundant number, since it is smaller than the sum of its proper divisors (227379325932).

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

103111021332 is a wasteful number, since it uses less digits than its factorization.

103111021332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1341 (or 1330 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 103111021332 its reverse (233120111301), we get a palindrome (336231132633).

The spelling of 103111021332 in words is "one hundred three billion, one hundred eleven million, twenty-one thousand, three hundred thirty-two".