101210112021 has 8 divisors (see below), whose sum is σ = 138594027424. Its totient is φ = 65649802320.

The previous prime is 101210111957. The next prime is 101210112023. The reversal of 101210112021 is 120211012101.

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

It is not a de Polignac number, because 101210112021 - 2⁶ = 101210111957 is a prime.

It is a super-3 number, since 3×101210112021³ (a number of 34 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 101210111988 and 101210112006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101210112023) 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, 455901295 + ... + 455901516.

It is an arithmetic number, because the mean of its divisors is an integer number (17324253428).

Almost surely, 2^101210112021 is an apocalyptic number.

It is an amenable number.

101210112021 is a deficient number, since it is larger than the sum of its proper divisors (37383915403).

101210112021 is an equidigital number, since it uses as much as digits as its factorization.

101210112021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 911802851.

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

Adding to 101210112021 its reverse (120211012101), we get a palindrome (221421124122).

It can be divided in two parts, 1012101 and 12021, that multiplied together give a palindrome (12166466121).

The spelling of 101210112021 in words is "one hundred one billion, two hundred ten million, one hundred twelve thousand, twenty-one".