102020322021130 has 8 divisors (see below), whose sum is σ = 183636579638052. Its totient is φ = 40808128808448.

The previous prime is 102020322021097. The next prime is 102020322021133. The reversal of 102020322021130 is 31120223020201.

It can be written as a sum of positive squares in 2 ways, for example, as 90627867697689 + 11392454323441 = 9519867^2 + 3375271^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×102020322021130² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 102020322021098 and 102020322021107.

It is not an unprimeable number, because it can be changed into a prime (102020322021133) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5101016101047 + ... + 5101016101066.

Almost surely, 2^{102020322021130} is an apocalyptic number.

102020322021130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

102020322021130 is a deficient number, since it is larger than the sum of its proper divisors (81616257616922).

102020322021130 is a wasteful number, since it uses less digits than its factorization.

102020322021130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10202032202120.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 102020322021130 its reverse (31120223020201), we get a palindrome (133140545041331).

The spelling of 102020322021130 in words is "one hundred two trillion, twenty billion, three hundred twenty-two million, twenty-one thousand, one hundred thirty".