10220121212011 has 16 divisors (see below), whose sum is σ = 10293552783360. Its totient is φ = 10146914334720.

The previous prime is 10220121212003. The next prime is 10220121212033. The reversal of 10220121212011 is 11021212102201.

10220121212011 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 10220121212011 - 2³ = 10220121212003 is a prime.

It is a super-2 number, since 2×10220121212011² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10220121212111) 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, 238950750 + ... + 238993516.

It is an arithmetic number, because the mean of its divisors is an integer number (643347048960).

Almost surely, 2^{10220121212011} is an apocalyptic number.

10220121212011 is a deficient number, since it is larger than the sum of its proper divisors (73431571349).

10220121212011 is a wasteful number, since it uses less digits than its factorization.

10220121212011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45354.

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

Adding to 10220121212011 its reverse (11021212102201), we get a palindrome (21241333314212).

The spelling of 10220121212011 in words is "ten trillion, two hundred twenty billion, one hundred twenty-one million, two hundred twelve thousand, eleven".