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2221021011019 = 21135381297509
BaseRepresentation
bin100000010100011111001…
…010110001110001001011
321212022211202212112112011
4200110133022301301023
5242342122334323034
64420153432200351
7316314654046336
oct40243712616113
97768752775464
102221021011019
11786a25505768
122ba5475390b7
131315979439b5
14796d86b361d
153cb91b4e864
hex2051f2b1c4b

2221021011019 has 8 divisors (see below), whose sum is σ = 2231617749840. Its totient is φ = 2210424938400.

The previous prime is 2221021010981. The next prime is 2221021011029. The reversal of 2221021011019 is 9101101201222.

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 2221021011019 - 231 = 2218873527371 is a prime.

It is a super-2 number, since 2×22210210110192 (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2221021011029) 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, 7316637 + ... + 7614145.

It is an arithmetic number, because the mean of its divisors is an integer number (278952218730).

Almost surely, 22221021011019 is an apocalyptic number.

2221021011019 is a deficient number, since it is larger than the sum of its proper divisors (10596738821).

2221021011019 is a wasteful number, since it uses less digits than its factorization.

2221021011019 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 333101.

The product of its (nonzero) digits is 144, while the sum is 22.

The spelling of 2221021011019 in words is "two trillion, two hundred twenty-one billion, twenty-one million, eleven thousand, nineteen".

Divisors: 1 211 35381 297509 7465391 62774399 10526165929 2221021011019