20212002101122 has 16 divisors (see below), whose sum is σ = 34570754725752. Its totient is φ = 8779874215680.

The previous prime is 20212002101107. The next prime is 20212002101171. The reversal of 20212002101122 is 22110120021202.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 19797151461201 + 414850639921 = 4449399^2 + 644089^2 .

It is a junction number, because it is equal to n+sod(n) for n = 20212002101096 and 20212002101105.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22864255329 + ... + 22864256212.

Almost surely, 2^{20212002101122} is an apocalyptic number.

20212002101122 is a deficient number, since it is larger than the sum of its proper divisors (14358752624630).

20212002101122 is a wasteful number, since it uses less digits than its factorization.

20212002101122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45728511573.

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

Adding to 20212002101122 its reverse (22110120021202), we get a palindrome (42322122122324).

The spelling of 20212002101122 in words is "twenty trillion, two hundred twelve billion, two million, one hundred one thousand, one hundred twenty-two".