10212022111221 has 192 divisors, whose sum is σ = 18964820459520. Its totient is φ = 5154562344960.

The previous prime is 10212022111217. The next prime is 10212022111243. The reversal of 10212022111221 is 12211122021201.

10212022111221 is a `hidden beast` number, since 1 + 0 + 212 + 0 + 221 + 11 + 221 = 666.

It is not a de Polignac number, because 10212022111221 - 2² = 10212022111217 is a prime.

It is a super-2 number, since 2×10212022111221² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10212022111194 and 10212022111203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10212022111121) by changing a digit.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 2033859691 + ... + 2033864711.

It is an arithmetic number, because the mean of its divisors is an integer number (98775106560).

Almost surely, 2^{10212022111221} is an apocalyptic number.

It is an amenable number.

10212022111221 is a deficient number, since it is larger than the sum of its proper divisors (8752798348299).

10212022111221 is a wasteful number, since it uses less digits than its factorization.

10212022111221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5984 (or 5981 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 10212022111221 its reverse (12211122021201), we get a palindrome (22423144132422).

The spelling of 10212022111221 in words is "ten trillion, two hundred twelve billion, twenty-two million, one hundred eleven thousand, two hundred twenty-one".