210010001011020 has 216 divisors, whose sum is σ = 753183410707728. Its totient is φ = 47215363104000.

The previous prime is 210010001010857. The next prime is 210010001011021. The reversal of 210010001011020 is 20110100010012.

It is a happy number.

It is a super-2 number, since 2×210010001011020² (a number of 29 digits) contains 22 as substring.

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 = 210010001010993 and 210010001011011.

It is not an unprimeable number, because it can be changed into a prime (210010001011021) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 194631306 + ... + 195707345.

It is an arithmetic number, because the mean of its divisors is an integer number (3486960234758).

Almost surely, 2^{210010001011020} is an apocalyptic number.

210010001011020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

210010001011020 is an abundant number, since it is smaller than the sum of its proper divisors (543173409696708).

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

210010001011020 is a wasteful number, since it uses less digits than its factorization.

210010001011020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 390338741 (or 390338729 counting only the distinct ones).

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

Adding to 210010001011020 its reverse (20110100010012), we get a palindrome (230120101021032).

The spelling of 210010001011020 in words is "two hundred ten trillion, ten billion, one million, eleven thousand, twenty".