10201211420220 has 36 divisors (see below), whose sum is σ = 30943674641880. Its totient is φ = 2720323045344.

The previous prime is 10201211420219. The next prime is 10201211420233. The reversal of 10201211420220 is 2202411210201.

10201211420220 is a `hidden beast` number, since 1 + 0 + 2 + 0 + 1 + 21 + 1 + 420 + 220 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 10201211420193 and 10201211420202.

It is a congruent number.

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 11 ways as a sum of consecutive naturals, for example, 28336698210 + ... + 28336698569.

It is an arithmetic number, because the mean of its divisors is an integer number (859546517830).

Almost surely, 2^{10201211420220} is an apocalyptic number.

10201211420220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10201211420220 is an abundant number, since it is smaller than the sum of its proper divisors (20742463221660).

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

10201211420220 is a wasteful number, since it uses less digits than its factorization.

10201211420220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56673396794 (or 56673396789 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 10201211420220 its reverse (2202411210201), we get a palindrome (12403622630421).

The spelling of 10201211420220 in words is "ten trillion, two hundred one billion, two hundred eleven million, four hundred twenty thousand, two hundred twenty".