103021421022020 has 12 divisors (see below), whose sum is σ = 216344984146284. Its totient is φ = 41208568408800.

The previous prime is 103021421022007. The next prime is 103021421022031. The reversal of 103021421022020 is 20220124120301.

It can be written as a sum of positive squares in 2 ways, for example, as 72399983757124 + 30621437264896 = 8508818^2 + 5533664^2 .

It is a super-2 number, since 2×103021421022020² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20), and also a Moran number because the ratio is a prime number: 5151071051101 = 103021421022020 / (1 + 0 + 3 + 0 + 2 + 1 + 4 + 2 + 1 + 0 + 2 + 2 + 0 + 2 + 0).

It is a junction number, because it is equal to n+sod(n) for n = 103021421021983 and 103021421022001.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2575535525531 + ... + 2575535525570.

It is an arithmetic number, because the mean of its divisors is an integer number (18028748678857).

Almost surely, 2^{103021421022020} is an apocalyptic number.

103021421022020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

103021421022020 is an abundant number, since it is smaller than the sum of its proper divisors (113323563124264).

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

103021421022020 is a wasteful number, since it uses less digits than its factorization.

103021421022020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5151071051110 (or 5151071051108 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 103021421022020 its reverse (20220124120301), we get a palindrome (123241545142321).

The spelling of 103021421022020 in words is "one hundred three trillion, twenty-one billion, four hundred twenty-one million, twenty-two thousand, twenty".