10221212020122 has 48 divisors (see below), whose sum is σ = 23135792771520. Its totient is φ = 3255134325696.

The previous prime is 10221212020081. The next prime is 10221212020141. The reversal of 10221212020122 is 22102021212201.

It is a happy number.

10221212020122 is a `hidden beast` number, since 10 + 221 + 212 + 0 + 201 + 22 = 666.

It is a super-2 number, since 2×10221212020122² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 10221212020095 and 10221212020104.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14049472 + ... + 14759067.

It is an arithmetic number, because the mean of its divisors is an integer number (481995682740).

Almost surely, 2^{10221212020122} is an apocalyptic number.

10221212020122 is an abundant number, since it is smaller than the sum of its proper divisors (12914580751398).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10221212020122 is a wasteful number, since it uses less digits than its factorization.

10221212020122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28809427 (or 28809424 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 10221212020122 its reverse (22102021212201), we get a palindrome (32323233232323).

The spelling of 10221212020122 in words is "ten trillion, two hundred twenty-one billion, two hundred twelve million, twenty thousand, one hundred twenty-two".