10210111021 has 8 divisors (see below), whose sum is σ = 11140401600. Its totient is φ = 9280170240.

The previous prime is 10210111013. The next prime is 10210111031. The reversal of 10210111021 is 12011101201.

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

It is not a de Polignac number, because 10210111021 - 2³ = 10210111013 is a prime.

It is a super-2 number, since 2×10210111021² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10210110989 and 10210111007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10210111001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24436 + ... + 144973.

It is an arithmetic number, because the mean of its divisors is an integer number (1392550200).

Almost surely, 2^10210111021 is an apocalyptic number.

10210111021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

10210111021 is a deficient number, since it is larger than the sum of its proper divisors (930290579).

10210111021 is a wasteful number, since it uses less digits than its factorization.

10210111021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174899.

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 10210111021 its reverse (12011101201), we get a palindrome (22221212222).

The spelling of 10210111021 in words is "ten billion, two hundred ten million, one hundred eleven thousand, twenty-one".