10002121021211 has 16 divisors (see below), whose sum is σ = 11561753414400. Its totient is φ = 8557218756000.

The previous prime is 10002121021199. The next prime is 10002121021237. The reversal of 10002121021211 is 11212012120001.

It is a cyclic number.

It is not a de Polignac number, because 10002121021211 - 2⁶ = 10002121021147 is a prime.

It is not an unprimeable number, because it can be changed into a prime (10002121021261) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 158435456 + ... + 158498573.

It is an arithmetic number, because the mean of its divisors is an integer number (722609588400).

Almost surely, 2^{10002121021211} is an apocalyptic number.

10002121021211 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

10002121021211 is a deficient number, since it is larger than the sum of its proper divisors (1559632393189).

10002121021211 is a wasteful number, since it uses less digits than its factorization.

10002121021211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 316934210.

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

Adding to 10002121021211 its reverse (11212012120001), we get a palindrome (21214133141212).

The spelling of 10002121021211 in words is "ten trillion, two billion, one hundred twenty-one million, twenty-one thousand, two hundred eleven".