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1010212110220 = 22550510605511
BaseRepresentation
bin11101011001101010101…
…01010111111110001100
310120120112102022101010111
432230311111113332030
5113022403300011340
62052030211245404
7132661666154065
oct16546525277614
93516472271114
101010212110220
1135a479444505
12143951ba9864
1374354bc0501
1436c7482156c
151b428071aea
hexeb35557f8c

1010212110220 has 12 divisors (see below), whose sum is σ = 2121445431504. Its totient is φ = 404084844080.

The previous prime is 1010212110211. The next prime is 1010212110221. The reversal of 1010212110220 is 220112120101.

It is a self number, because there is not a number n which added to its sum of digits gives 1010212110220.

It is not an unprimeable number, because it can be changed into a prime (1010212110221) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25255302736 + ... + 25255302775.

It is an arithmetic number, because the mean of its divisors is an integer number (176787119292).

Almost surely, 21010212110220 is an apocalyptic number.

1010212110220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1010212110220 is an abundant number, since it is smaller than the sum of its proper divisors (1111233321284).

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

1010212110220 is a wasteful number, since it uses less digits than its factorization.

1010212110220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50510605520 (or 50510605518 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 1010212110220 its reverse (220112120101), we get a palindrome (1230324230321).

The spelling of 1010212110220 in words is "one trillion, ten billion, two hundred twelve million, one hundred ten thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 50510605511 101021211022 202042422044 252553027555 505106055110 1010212110220