1010220222121 has 24 divisors (see below), whose sum is σ = 1120160180160. Its totient is φ = 903536647200.

The previous prime is 1010220222101. The next prime is 1010220222161. The reversal of 1010220222121 is 1212220220101.

It is a happy number.

It is not a de Polignac number, because 1010220222121 - 2³¹ = 1008072738473 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1010220222095 and 1010220222104.

It is not an unprimeable number, because it can be changed into a prime (1010220222101) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 40527700 + ... + 40552618.

It is an arithmetic number, because the mean of its divisors is an integer number (46673340840).

Almost surely, 2^{1010220222121} is an apocalyptic number.

1010220222121 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1010220222121 is a deficient number, since it is larger than the sum of its proper divisors (109939958039).

1010220222121 is an equidigital number, since it uses as much as digits as its factorization.

1010220222121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25885 (or 25818 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 1010220222121 its reverse (1212220220101), we get a palindrome (2222440442222).

The spelling of 1010220222121 in words is "one trillion, ten billion, two hundred twenty million, two hundred twenty-two thousand, one hundred twenty-one".