10021101210021 has 32 divisors (see below), whose sum is σ = 14652637608960. Its totient is φ = 6041527833600.

The previous prime is 10021101209981. The next prime is 10021101210023. The reversal of 10021101210021 is 12001210112001.

It is not a de Polignac number, because 10021101210021 - 2²⁷ = 10020966992293 is a prime.

It is a super-3 number, since 3×10021101210021³ (a number of 40 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 10021101209979 and 10021101210006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10021101210023) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 117395326 + ... + 117480656.

It is an arithmetic number, because the mean of its divisors is an integer number (457894925280).

Almost surely, 2^{10021101210021} is an apocalyptic number.

10021101210021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

10021101210021 is a deficient number, since it is larger than the sum of its proper divisors (4631536398939).

10021101210021 is a wasteful number, since it uses less digits than its factorization.

10021101210021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103977.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 10021101210021 its reverse (12001210112001), we get a palindrome (22022311322022).

The spelling of 10021101210021 in words is "ten trillion, twenty-one billion, one hundred one million, two hundred ten thousand, twenty-one".