10210121221011 has 24 divisors (see below), whose sum is σ = 14318428291776. Its totient is φ = 6470858203920.

The previous prime is 10210121220991. The next prime is 10210121221043. The reversal of 10210121221011 is 11012212101201.

It is a happy number.

It is not a de Polignac number, because 10210121221011 - 2⁷ = 10210121220883 is a prime.

It is not an unprimeable number, because it can be changed into a prime (10210121225011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 19476285 + ... + 19993646.

It is an arithmetic number, because the mean of its divisors is an integer number (596601178824).

Almost surely, 2^{10210121221011} is an apocalyptic number.

10210121221011 is a deficient number, since it is larger than the sum of its proper divisors (4108307070765).

10210121221011 is a wasteful number, since it uses less digits than its factorization.

10210121221011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39470143 (or 39470120 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 10210121221011 its reverse (11012212101201), we get a palindrome (21222333322212).

The spelling of 10210121221011 in words is "ten trillion, two hundred ten billion, one hundred twenty-one million, two hundred twenty-one thousand, eleven".