102211000121021 has 8 divisors (see below), whose sum is σ = 117371483392800. Its totient is φ = 88028612544240.

The previous prime is 102211000121017. The next prime is 102211000121033. The reversal of 102211000121021 is 120121000112201.

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 102211000121021 - 2² = 102211000121017 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 102211000120987 and 102211000121005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102211000121521) 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, 244523923526 + ... + 244523923943.

It is an arithmetic number, because the mean of its divisors is an integer number (14671435424100).

Almost surely, 2^{102211000121021} is an apocalyptic number.

102211000121021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

102211000121021 is a deficient number, since it is larger than the sum of its proper divisors (15160483271779).

102211000121021 is a wasteful number, since it uses less digits than its factorization.

102211000121021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 489047847499.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 102211000121021 its reverse (120121000112201), we get a palindrome (222332000233222).

The spelling of 102211000121021 in words is "one hundred two trillion, two hundred eleven billion, one hundred twenty-one thousand, twenty-one".