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1022220021011 = 7683213808831
BaseRepresentation
bin11101110000000010000…
…11111010110100010011
310121201112021022110001012
432320001003322310103
5113222001311133021
62101333522401135
7133565364546260
oct16700103726423
93551467273035
101022220021011
11364580609622
121461435001ab
1375519894977
14376934dc267
151b8cc35635b
hexee010fad13

1022220021011 has 8 divisors (see below), whose sum is σ = 1169961928704. Its totient is φ = 874905732360.

The previous prime is 1022220021001. The next prime is 1022220021019. The reversal of 1022220021011 is 1101200222201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1022220021011 - 26 = 1022220020947 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1022220021019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 106899635 + ... + 106909196.

It is an arithmetic number, because the mean of its divisors is an integer number (146245241088).

Almost surely, 21022220021011 is an apocalyptic number.

1022220021011 is a deficient number, since it is larger than the sum of its proper divisors (147741907693).

1022220021011 is an equidigital number, since it uses as much as digits as its factorization.

1022220021011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 213809521.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 1022220021011 its reverse (1101200222201), we get a palindrome (2123420243212).

The spelling of 1022220021011 in words is "one trillion, twenty-two billion, two hundred twenty million, twenty-one thousand, eleven".

Divisors: 1 7 683 4781 213808831 1496661817 146031431573 1022220021011