122021222101010 has 16 divisors (see below), whose sum is σ = 219638442983256. Its totient is φ = 48808434795648.

The previous prime is 122021222101007. The next prime is 122021222101021. The reversal of 122021222101010 is 10101222120221.

It can be written as a sum of positive squares in 4 ways, for example, as 122001943611601 + 19278489409 = 11045449^2 + 138847^2 .

It is a super-2 number, since 2×122021222101010² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 122021222101010.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3463142 + ... + 16001118.

Almost surely, 2^{122021222101010} is an apocalyptic number.

122021222101010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

122021222101010 is a deficient number, since it is larger than the sum of its proper divisors (97617220882246).

122021222101010 is a wasteful number, since it uses less digits than its factorization.

122021222101010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13511197.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 122021222101010 its reverse (10101222120221), we get a palindrome (132122444221231).

The spelling of 122021222101010 in words is "one hundred twenty-two trillion, twenty-one billion, two hundred twenty-two million, one hundred one thousand, ten".