201101212010220 has 24 divisors (see below), whose sum is σ = 563083393628784. Its totient is φ = 53626989869376.

The previous prime is 201101212010201. The next prime is 201101212010239. The reversal of 201101212010220 is 22010212101102.

It is an interprime number because it is at equal distance from previous prime (201101212010201) and next prime (201101212010239).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 201101212010220.

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, 1675843433359 + ... + 1675843433478.

It is an arithmetic number, because the mean of its divisors is an integer number (23461808067866).

Almost surely, 2^{201101212010220} is an apocalyptic number.

201101212010220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201101212010220 is an abundant number, since it is smaller than the sum of its proper divisors (361982181618564).

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

201101212010220 is a wasteful number, since it uses less digits than its factorization.

201101212010220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3351686866849 (or 3351686866847 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 201101212010220 its reverse (22010212101102), we get a palindrome (223111424111322).

The spelling of 201101212010220 in words is "two hundred one trillion, one hundred one billion, two hundred twelve million, ten thousand, two hundred twenty".