10100122021 has 8 divisors (see below), whose sum is σ = 11067727104. Its totient is φ = 9140752320.

The previous prime is 10100122009. The next prime is 10100122063. The reversal of 10100122021 is 12022100101.

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

It is a cyclic number.

It is not a de Polignac number, because 10100122021 - 2⁵ = 10100121989 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10100121989 and 10100122007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10100126021) 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, 2056276 + ... + 2061181.

It is an arithmetic number, because the mean of its divisors is an integer number (1383465888).

Almost surely, 2^10100122021 is an apocalyptic number.

10100122021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

10100122021 is a deficient number, since it is larger than the sum of its proper divisors (967605083).

10100122021 is a wasteful number, since it uses less digits than its factorization.

10100122021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4117691.

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

Adding to 10100122021 its reverse (12022100101), we get a palindrome (22122222122).

The spelling of 10100122021 in words is "ten billion, one hundred million, one hundred twenty-two thousand, twenty-one".