10010110021020 has 72 divisors (see below), whose sum is σ = 30398388196176. Its totient is φ = 2666339569152.

The previous prime is 10010110021013. The next prime is 10010110021027. The reversal of 10010110021020 is 2012001101001.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (10010110021013) and next prime (10010110021027).

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 10010110020993 and 10010110021011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10010110021027) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 31331277 + ... + 31649156.

It is an arithmetic number, because the mean of its divisors is an integer number (422199836058).

Almost surely, 2^{10010110021020} is an apocalyptic number.

10010110021020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10010110021020 is an abundant number, since it is smaller than the sum of its proper divisors (20388278175156).

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

10010110021020 is a wasteful number, since it uses less digits than its factorization.

10010110021020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62981331 (or 62981326 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

Adding to 10010110021020 its reverse (2012001101001), we get a palindrome (12022111122021).

The spelling of 10010110021020 in words is "ten trillion, ten billion, one hundred ten million, twenty-one thousand, twenty".