10211102021121 has 16 divisors (see below), whose sum is σ = 13672441190400. Its totient is φ = 6778584903888.

The previous prime is 10211102021083. The next prime is 10211102021123. The reversal of 10211102021121 is 12112020111201.

It is a happy number.

It is not a de Polignac number, because 10211102021121 - 2¹⁴ = 10211102004737 is a prime.

It is a super-2 number, since 2×10211102021121² (a number of 27 digits) contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 10211102021121.

It is not an unprimeable number, because it can be changed into a prime (10211102021123) 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, 14679060 + ... + 15358938.

It is an arithmetic number, because the mean of its divisors is an integer number (854527574400).

Almost surely, 2^{10211102021121} is an apocalyptic number.

It is an amenable number.

10211102021121 is a deficient number, since it is larger than the sum of its proper divisors (3461339169279).

10211102021121 is a wasteful number, since it uses less digits than its factorization.

10211102021121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 701068.

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

Adding to 10211102021121 its reverse (12112020111201), we get a palindrome (22323122132322).

The spelling of 10211102021121 in words is "ten trillion, two hundred eleven billion, one hundred two million, twenty-one thousand, one hundred twenty-one".