10020021210100 has 72 divisors (see below), whose sum is σ = 23727427659936. Its totient is φ = 3642522000000.

The previous prime is 10020021210097. The next prime is 10020021210113. The reversal of 10020021210100 is 101212002001.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2175130 + ... + 4977070.

It is an arithmetic number, because the mean of its divisors is an integer number (329547606388).

Almost surely, 2^{10020021210100} is an apocalyptic number.

10020021210100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10020021210100 is an abundant number, since it is smaller than the sum of its proper divisors (13707406449836).

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

10020021210100 is a wasteful number, since it uses less digits than its factorization.

10020021210100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2805217 (or 2805210 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 10020021210100 its reverse (101212002001), we get a palindrome (10121233212101).

The spelling of 10020021210100 in words is "ten trillion, twenty billion, twenty-one million, two hundred ten thousand, one hundred".