103021122121302 has 128 divisors (see below), whose sum is σ = 257471149436928. Its totient is φ = 26697599510400.

The previous prime is 103021122121283. The next prime is 103021122121321. The reversal of 103021122121302 is 203121221120301.

It is an interprime number because it is at equal distance from previous prime (103021122121283) and next prime (103021122121321).

It is a super-2 number, since 2×103021122121302² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 559163977 + ... + 559348187.

It is an arithmetic number, because the mean of its divisors is an integer number (2011493354976).

Almost surely, 2^{103021122121302} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 103021122121302, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (128735574718464).

103021122121302 is an abundant number, since it is smaller than the sum of its proper divisors (154450027315626).

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

103021122121302 is a wasteful number, since it uses less digits than its factorization.

103021122121302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 186994.

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 103021122121302 its reverse (203121221120301), we get a palindrome (306142343241603).

The spelling of 103021122121302 in words is "one hundred three trillion, twenty-one billion, one hundred twenty-two million, one hundred twenty-one thousand, three hundred two".