10210021101 has 12 divisors (see below), whose sum is σ = 16854638112. Its totient is φ = 5834297736.

The previous prime is 10210021061. The next prime is 10210021111. The reversal of 10210021101 is 10112001201.

It is a happy number.

It is not a de Polignac number, because 10210021101 - 2¹⁸ = 10209758957 is a prime.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10210021111) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 81031851 + ... + 81031976.

It is an arithmetic number, because the mean of its divisors is an integer number (1404553176).

Almost surely, 2^10210021101 is an apocalyptic number.

It is an amenable number.

10210021101 is a deficient number, since it is larger than the sum of its proper divisors (6644617011).

10210021101 is a wasteful number, since it uses less digits than its factorization.

10210021101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162063840 (or 162063837 counting only the distinct ones).

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

Adding to 10210021101 its reverse (10112001201), we get a palindrome (20322022302).

It can be divided in two parts, 102100 and 21101, that added together give a square (123201 = 351²).

The spelling of 10210021101 in words is "ten billion, two hundred ten million, twenty-one thousand, one hundred one".