10122022021220 has 12 divisors (see below), whose sum is σ = 21256246244604. Its totient is φ = 4048808808480.

The previous prime is 10122022021187. The next prime is 10122022021249. The reversal of 10122022021220 is 2212022022101.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 6551879792896 + 3570142228324 = 2559664^2 + 1889482^2 .

It is a super-2 number, since 2×10122022021220² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 253050550511 + ... + 253050550550.

It is an arithmetic number, because the mean of its divisors is an integer number (1771353853717).

Almost surely, 2^{10122022021220} is an apocalyptic number.

10122022021220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10122022021220 is an abundant number, since it is smaller than the sum of its proper divisors (11134224223384).

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

10122022021220 is a wasteful number, since it uses less digits than its factorization.

10122022021220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 506101101070 (or 506101101068 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 10122022021220 its reverse (2212022022101), we get a palindrome (12334044043321).

The spelling of 10122022021220 in words is "ten trillion, one hundred twenty-two billion, twenty-two million, twenty-one thousand, two hundred twenty".