1122202120210 has 16 divisors (see below), whose sum is σ = 2023590332376. Its totient is φ = 448074955648.

The previous prime is 1122202120189. The next prime is 1122202120219. The reversal of 1122202120210 is 120212022211.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 402231203089 + 719970917121 = 634217^2 + 848511^2 .

It is not an unprimeable number, because it can be changed into a prime (1122202120219) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 100730707 + ... + 100741846.

Almost surely, 2^{1122202120210} is an apocalyptic number.

1122202120210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1122202120210 is a deficient number, since it is larger than the sum of its proper divisors (901388212166).

1122202120210 is a wasteful number, since it uses less digits than its factorization.

1122202120210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 201473117.

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

Adding to 1122202120210 its reverse (120212022211), we get a palindrome (1242414142421).

The spelling of 1122202120210 in words is "one trillion, one hundred twenty-two billion, two hundred two million, one hundred twenty thousand, two hundred ten".