10021221021211 has 32 divisors (see below), whose sum is σ = 11086935108480. Its totient is φ = 9014987520000.

The previous prime is 10021221021199. The next prime is 10021221021247. The reversal of 10021221021211 is 11212012212001.

It is a cyclic number.

It is not a de Polignac number, because 10021221021211 - 2¹³ = 10021221013019 is a prime.

It is a super-2 number, since 2×10021221021211² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (10021221021611) 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, 492990330 + ... + 493010656.

It is an arithmetic number, because the mean of its divisors is an integer number (346466722140).

Almost surely, 2^{10021221021211} is an apocalyptic number.

10021221021211 is a deficient number, since it is larger than the sum of its proper divisors (1065714087269).

10021221021211 is a wasteful number, since it uses less digits than its factorization.

10021221021211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30375.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 10021221021211 its reverse (11212012212001), we get a palindrome (21233233233212).

The spelling of 10021221021211 in words is "ten trillion, twenty-one billion, two hundred twenty-one million, twenty-one thousand, two hundred eleven".